Don Giovanni

W. A. Mozart's


Karl Buttermann,

American bass-baritone Karl Buttermann recently performed the roles of Vierte Edle in Lohengrin and Norton in La cambiale di matrimonio as an apprentice artist with Opera Southwest in Albuquerque, New Mexico. He also covered Heinrich in Lohengrin. In the fall of 2018, Mr. Buttermann covered Colline in La bohème with Piedmont Opera in Winston-Salem, North Carolina. That summer, he sang Timur in a workshop production of Turandot with North Carolina Summer Opera in Raleigh-Durham, NC, in which he was praised for his “rich and mellow basso cantante.” In the previous season, he performed the roles of Arkel in Impressions de Pelléas and Alidoro in La Cenerentola as a fellow with A.J. Fletcher Opera Institute, also in Winston-Salem.

Upcoming engagements include Leporello in Don Giovanni with NC Summer Opera, as well as sing Alidoro, and cover Ramfis in Aida as an Herndon Emerging Artist with Virginia Opera in Norfolk, Virginia. Mr. Buttermann graduated with a B.M. in Vocal Performance from Peabody Conservatory of the Johns Hopkins University under the tutelage of Dr. Stanley Cornett, and graduated with a M.M. degree in Vocal Performance from The University of North Carolina School of the Arts. Karl studies with Dr. Marilyn Taylor.

Derek Gracey, baritone
(Don Giovanni - 8/8)

Derek Gracey, baritone, is originally from central Pennsylvania, but now resides in Greensboro, NC. He received his bachelor's degree in Music Education and Vocal Performance from Mansfield University of Pennsylvania, and completed his master's degree in Vocal Performance from UNCG. His operatic highlights include title roles in Le nozze di Figaro (Mozart) and Galileo Galilei (Philip Glass), Papageno in The Magic Flute (Mozart), and Melchior in Amahl and the Night Visitors (Menotti). He has appeared as baritone soloist for numerous concert works including Handel's Messiah and Dixit Dominus, Bach's Cantata Nos. 106 and 131, Brahms’s  Requiem, Mendelssohn’s Elijah, and Vaughan Williams’s Serenade to Music with Voices/Carolina International Chorale. He has also performed with Greensboro Opera, Greensboro Light Opera and Song, and “Words & Music” at the Universidad Nacional de Colombia in Bogotá, Colombia.


Aside from singing, Derek has a career as an executive recruiter at Charles Aris, a national retained search firm in Greensboro, NC.

Baritone Adam Dengler is thrilled to return to the North Carolina Summer Opera to sing the title role of Don Giovanni.  Adam sang the role of Ping in the NCSO’s inaugural production of Turandot.  Recent engagements include the Bass soloist in the Chapel Hill 53rd Annual Open Sing Handel’s Messiah and Théodore Dubois’s The Seven Last Words of Christ.  Adam is a regular chorus member of the North Carolina Opera and Voices: The Chapel Hill Chorus.  In the last year, Adam premiered music by local composers including “Facing West” by Roger Petrich and “Elevator” by Jeremy Jennings.  Previous stage credits include All is Calm: The Christmas Truce of 1914, and Jean Valjean in Les Misérables. Adam studies voice with internationally renowned soprano Christine Weidinger.

Adam is a Senior Engineer at a biotech startup, Redbud Labs, and has a Ph.D. in Biomedical engineering from the Joint BME Department of UNC-Chapel Hill and NC State.

Adam Dengler, baritone
(Don  Giovanni - 8/11)
Jordan Winslow,
(Donna Anna - 8/8)

Jordan Winslow, soprano, is a native of North Carolina living in Greensboro. She received her bachelor’s degree in vocal performance from East Carolina University and her master’s degree in vocal performance from UNC-Greensboro. Ms. Winslow's other operatic roles include Fiordiligi in Così Fan Tutte (Mozart), Lauretta in Gianni Schicchi (Puccini), Sandman in Hansel and Gretel (Humperdinck), Mrs. Gobineau in The Medium (Menotti), Margaret Borden in Lizzie Borden (Beeson), Beauty in Beauty and the Beast (Giannini), and Casilda in The Gondoliers (Gilbert & Sullivan). She has sung with Greensboro Opera, Greensboro Light Opera and Song, the Amalfi Coast Music and Arts Festival, Oberlin Conservatory in Italy, and the Universidad Nacional de Colombia in Bogotá, Colombia. In addition to her operatic performances, she has been a soloist for numerous concert works, including Bach's Magnificat, Handel's Messiah and Dixit Dominus, and Vaughan Williams's Serenade to Music with Voices/Carolina International Chorale. Aside from performing, Ms. Winslow teaches private voice and violin lessons from her home studio in Greensboro, NC.

Regan Bisch, soprano
(Donna Anna - 8/11)
Wagner Pástor, tenor
(Don Ottavio)
Dora Cardona,
(Donna Elvira - 8/8)
Constance Paolantonio,
(Donna Elvira - 8/11)

American soprano Regan Bisch has established herself as a versatile performer with “beautiful high notes” in repertoire ranging from Mozart to Tchaikovsky. Hailed for her “idiomatic Russian”, Ms Bisch has a special proclivity for the slavic repertoire, having sung the title role   of Iolanta for Opera Slavica, along with the roles of Jano/Pastuchyna (Jenufa), Gemma (Maddalena), and scenes of Rusalka (Rusalka). Ms Bisch is also at home in concert and song repertoire, having performed concerts of Dohnanyi songs and American repertoire with the International Vocal Arts Institute, and having appeared as a soloist at the Toys R Us Children’s Fund Gala in New York with Martin Short. An alumna of Mannes College and the North Carolina School of the Arts, other roles and scenes performed include Pamina (Die

Zauberflöte), Adina (L’elisir d’amore), Apolonia (La Canterina), and before becoming a soprano sang roles as a mezzo-soprano including Prince Orlofsky (Die Fledermaus), Dorabella (Così fan tutte), Idamante (Idomeneo), Ramiro (La finta giardiniera), and Cherubino (Le nozze di Figaro). Ms Bisch was awarded scolarships for her studies at Mannes College of Music and UNCSA and won first place in the National Association of Teachers of Singing mid-Atlantic region competition. She is currently based in North Carolina.

Tenor Wagner Mauricio Pástor Pazmiño hails from Quito, Ecuador. He is an A. J. Fletcher Opera Institute fellow at UNCSA and studies with Dr. Marilyn Taylor. He graduated with a M.M. in Voice Performance from the University of Idaho. At his first year as Fletcher, Wagner has performed the title role in Massenest's "Werther" in the Winter, and he will be featured as Grimoaldo in Handel's Rodelinda in the Spring 2019. He has sung Don José in Bizet’s Carmen at the Bay View Music Festival in the Summer 2017 and at the University of Idaho in the Spring 2018 in addition to recent performances of L’elisir d’amore as Nemorino, Puccini’s Gianni Schicchi as Rinuccio with the University of Idaho, and Strauss’ Die Fledermaus as Alfred with the South Bend Lyric Opera. Scenes performed include La Bohème, as Rodolfo, La Traviata, as Alfredo, and Roméo et Juliette, Roméo at the Bay View Festival 2018.

Wagner has also performed concerts with the Ecuador Symphony, and at the UNASUR inaugural ceremony. He holds a Regional Planning Engineer from the Pontificia Universidad Católica del Ecuador and obtained the Bachillerato en Artes focus en Canto Lírico under Nancy Yánez at the Conservatorio Superior Nacional de Música del Ecuador. He was the voice assistant at the VOSU choir, a project for the blind supported by the Ministry of Culture of Ecuador and the Ecuador Symphony.  

Colombian-American Soprano Dora Cardona is currently pursuing her MM in Vocal Performance at UNCG where she studies with Dr. Robert Wells. Recent engagements include Pamina in the Greensboro Opera Outreach Program production of The Mozart’s Magic Flute and Second Lady in the UNCG Opera Theatre production of the same opera. At home in both opera and oratorio, Dora’s previous stage credits include performances in Colombia and USA in such roles as Lucia in Lucia di Lammermoor (Cali Opera, Miami Lyric Opera, and Opera Fusion, Inc.), Violetta in La Traviata (Cali Opera), Amapola in La Leyenda del Beso (National Zarzuela Company of Colombia), Adina in L’Elisir d’amore (Amici dell’Arte Miami), and the soprano solo in Carmina Burana (Pereira Symphony Orchestra), Mozart’s Coronation Mass (Seraphic Fire and Delray Beach Chorale), Händel’s Messiah (Delray Beach Chorale), Pergolesi’s Stabat Mater (Seraphic Fire) and Mozart’s Vesperae Solennes de Confessore (Delray Beach Chorale), among others. She has been featured as a soloist in world premiere performances of works for choir and orchestra in Colombia and the USA such as: Vespers (J.C Bach, 2001), Missa del Agua (Alberto G. Naranjo, 2010) and Flowers, Sunshine and Shadows (Michael MacGlynn, 2013).


As a participant of the University of Miami at Salzburg College Summer Program in 2014, Dora had the opportunity to sing at the Saal der Salzburger Dommusik, the Gambrinus Saal, and the Romanischer Saal der St. Peter, and received an Honorable Mention at the Mirabell Singing Competition.


She is thrilled to be part of the NC Summer Opera’s cast and looks forward to playing the beautiful and intricate role of Donna Elvira!

Soprano Constance Paolantonio earned her Master of Music degree from Eastman School of Music and Bachelor of Music from Appalachian State University.  She has embraced a wide range of solo repertoire, including opera, recital, concerts, oratorio, chamber music, jazz, musical theater, and other contemporary styles.  Upcoming engagements include Cosi fan tutte with Florence Symphony Orchestra as well as soprano soloist in Vivaldi’s Dixie Dominus and Gloria with the NC Baroque Orchestra.  Past performances include Cosi fan tutte with Opera Wilmington, Handel’s Messiah and the Bach Magnificat with Wilmington Choral Society, Bach Cantata 4 and Rosenkavalier trio with Wilmington Symphony Orchestra, Sharon Graham in “Master Class” by Terrence McNally with Wilmington’s Thalian Association, Serenade to Music by Vaughan Williams with the Rochester Philharmonic Orchestra, Gounod’s Faust with Opera New Jersey, and Purcell’s Dido and Aeneas with Champlain Valley Oratorio Society.  Constance currently serves part-time on the music faculties at NCCU and UNCW, teaching applied voice, diction, voice class, and vocal pedagogy.  She lives in Durham with her husband, Andy, and three children, Ruby, Tristan, and Oliver.  

Logan Trotter, soprano is a senior at the University of North Carolina School of the Arts, pursuing her Bachelor of Music degree in vocal performance. Last Spring, she was cast as Yniold in A.J. Fletcher Opera Institute’s production of Debussy’s Impressions de Pelléas as well as Euridice in Act 2 of Gluck’s Orfeo ed Euridice for the UNCSA Undergraduate opera scenes. Logan has appeared in opera choruses of Florencia en el Amazonas, Il Cappello di Paglia di Firenze, Don Giovanni, Hänsel und Gretel, and L’enfant et les Sortileges. She has appeared as a soloist in Bach’s Cantata 80, Vivaldi’s Magnificat, Rutter’s Requiem, Vivaldi’s Gloria, and Bach’s Christmas Oratorio. She is currently a Hudson Scholar at Centenary United Methodist Church in Winston Salem, North Carolina. Logan has attended the Washington National Opera Summer Intensive for Young Singers, American Singers Opera Project, and the Brevard Music Festival. This past summer, she was honored to have participated in Si parla, si canta in Urbania, Italy and the Opera Theater of the Rockies Vocal Arts Festival. She is thrilled to perform the role of Zerlina in Don Giovanni with North Carolina Summer Opera. Logan is currently a student of Marion Pratnicki.

Logan Trotter, soprano
(Zerlina - 8/8)

Amber Rose Romero is currently enjoying the beginnings of an exciting career in opera and is excited to make her debut with NC Summer Opera as Zerlina in Don Giovanni this summer. In 2019 Mrs. Romero made her debut with Greensboro Opera as the Dew Fairy in Hansel and Gretel, and sang the role of Nannetta in UNCG Opera Theatre’s production of Falstaff.  Previous roles include Zerbinetta in Ariadne auf Naxos and Le Rossingnol in L’enfant et les sortileges with the Miami Summer Music Festival, Madame Silvertone in Impresario with the UNCG Opera Theatre, and Adele in Die Fledermaus with Opera Fusion. Mrs. Romero has also enjoyed success in her solo concert work, singing in Handel’s Messiah with the Masterworks Chorale of the Palm Beaches, and Haydn’s Missa Brevis with the PBA Concert Choir.


Mrs. Romero holds a Bachelor’s Degree in Music from Palm Beach Atlantic University, and is currently pursuing her Master’s Degree at the University of North Carolina Greensboro under the tutelage of Dr. Carla LeFevre.

Amber-Rose Romero,
(Zerlina - 8/11)
Christian Blackburn,

Christian Blackburn is a baritone from Lakin, Kansas, and will complete his Masters in Music at UNCG in May of 2019 under Dr. Carla LeFevre. Of his recent performance as Papageno in Die Zauberflöte for the UNCG Opera Theatre, Classical Voice North Carolina said, “Blackburn’s Papageno lit up the stage; his hearty singing and great comic acting was wonderful. In the summer of 2016, Christian sang with Opera in the Ozarks as a Studio Artist, performing in a touring opera throughout Northwest Arkansas, and he performed as a chorus member for the Lyric Opera of Kansas City in productions of Dead Man Walking and The Pirates of Penzance in 2017. Christian has also recently been seen in productions of Hänsel and Gretel (Peter), Madama Butterfly (Imperial Commissioner) and The Consul (Mr. Kofner).


Christian will be two role debuts in 2019 as Ford in Falstaff with UNCG Opera Theatre and Masetto in Don Giovanni with North Carolina Summer Opera.  

Robert Harrelson,
(Il Commendatore)

Originally from Boiling Springs, North Carolina, bass-baritone Robert Harrelson graduated from Gardner-Webb University with a double major in biology and history. A year later, while employed at the University of Virginia, he auditioned to be a volunteer chorister for the Ashlawn-Highland summer opera festival and was offered named roles. Since childhood he had dreamt of being a professional vocalist, and the early success at Ashlawn-Highland propelled Robert to study vocal performance at Indiana University with famed basses Giorgio Tozzi and Roy Samuelsen. Due to family obligations, he departed Indiana and put a solo career on hold to accept a position with the U.S. Air Force Singing Sergeants in Washington, D.C. During his 20-year Air Force career, he performed for U.S. presidents George H.W. Bush, Bill Clinton, George W. Bush, and Barak Obama, as well as numerous U.S. and international political, diplomatic, and military leaders. By the time of his retirement, Robert was administratively in charge of the Singing Sergeants. His hundreds of performances across the U.S. have been seen and heard by millions around the world in person, on television, and via the Internet. Additionally, he has proudly honored America by singing our National Anthem for dozens of NFL, NBA, and MLB games as well as other sporting, community, and patriotic events. During his career, Robert has soloed with numerous orchestras in the Washington, D.C. area, and has shared stages with such varied talents as Trace Adkins, Tyne Daly, Gloria Estefan, Renée Fleming, Patti LaBelle, Darlene Love (on “Late Night with David Letterman”), Sylvia McNair, Lionel Richie, Ruben Stoddard, Ronan Tynan, Carrie Underwood, and Frederica von Stade. Conductors with whom he has worked include Michael Barrett, John Douglas, Jack Everly, Lucas Foss, Erin Freeman, Eric Kunzel, J. Riley Lewis, Eric Whitacre, and Mack Wilberg. He currently lives in North Carolina and studies voice with Met Opera star Victoria Livengood.

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