Olivia Donnel is a dramatic coloratura whose work spans opera, concert, and choral performance across the Midwest. Based in Metro Detroit, she champions accessibility, collaboration, and innovation within the performing arts.

A versatile and expressive performer, Ms. Donnel has appeared with companies across the Midwest including Opera Grand Rapids, Taconic Opera, Michigan Opera Outreach, the Dramatic Voices Program of Berlin, and the Southern Illinois Music Festival. Her operatic repertoire ranges from the drama of Verdi to the clarity of Handel, with notable portrayals such as Leonora (Il Trovatore), Fiordiligi and Dorabella (Così fan tutte), Chrysothemis (Elektra), Galatea (Acis and Galatea), and Dido (Dido and Aeneas). 

In 2019, she was named a winner of the Stars of Altgeld Concerto Competition, followed by an Encouragement Award from the Metropolitan Opera National Council Auditions in 2020. She was selected as a Gordon Nelson Scholar by the Detroit Concert Choir for the 2021-22 and 2022-23 concert seasons, won the David Daniels Young Artists Concerto Competition in 2022, and received Outstanding Student in Vocal Performance at the 2023 Oakland University MaTilDa Awards. Ms. Donnel has participated in masterclasses with renowned artists such as Cynthia Lawrence, Leah Crocetto, Christine Goerke, Stephanie Weiss, and Dr. Christopher White, Studienleiter (Head of Music) at the Deutsche Oper Berlin. Her professional ensemble collaborations include the Grand Rapids Opera Chorus, Tuesday Musicale of Detroit, Detroit Concert Choir, Grosse Pointe Community Chorus, Choral Artists of Michigan, the Oakland Symphony Chorus, and she serves as Alto Section Leader at First Presbyterian Church of Royal Oak. 

"Ms. Donnel delivered both the melancholy lyricism of the cavatina and the rapid-fired coloratura of the cabaletta with the finesse of an accomplished diva." - Tuesday Musicale of Detroit

Allison Wamser is a dramatic soprano and native of St. Louis, Missouri. She holds bachelor’s and master’s degrees in music from Southern Illinois University, Edwardsville and University of Notthern Iowa. In 2011, Ms. Wamser received an encouragement award in the Metropolitan Opera National Council regional auditions, and was also chosen to participate in Chautauqua Opera’s young artist program.

Professionally, she has performed with the Saint Louis Symphony Chorus, and in the chorus with Detroit Opera. Locally, she also serves as a staff singer for Christ Church Cranbrook, and performs with the Detroit Concert Choir and Opera on Tap Detroit. 

Bradley Lieto lives his life mostly as a singer, pianist, voice teacher, vocologist and conductor.  A tenor and teacher, he is a sought after soloist, pianist, music director, master class teacher and pedagog.  A native of Detroit, Mr. Lieto has worked building many communities with music over the last few decades. An avid collaborator, he often fills many roles of the musical landscape.    

He holds the Bachelor of Music Education degree (choral) from Central Michigan University (where he was a choral scholar), as well as the Master's in Performance degree (Voice) from the University of Toledo where he was an assistant instructor in the theory, piano and choral departments. Recently, he completed coursework for the Doctoral Degree in Voice at the Indiana University Jacobs School of Music and is actively working on a dissertation. While at Jacobs, he was also a principal actor on the operatic stage premiering roles in two brand new operas, Dr. Dussel in Schulamit Ran's The Diary of Anne Frank as well as Solomon Kavalier in Mason Bates The Amazing Adventures of Kavalier and Clay in addition to performing other standard, timeless, treasured repertoire (Donizetti, Mozart, Bellini, Rossini).  

He was formerly on the faculty of Madonna University in Livonia, MI, where he taught undergraduate voice, served as Musical Director for the Lyric Theater and conducted the Madonna Chorale. Prior to these appointments in academia, Mr. Lieto taught K-12 music (instrumental and vocal of all sorts) for both the private and public sectors. A lifelong learner, he continues to invest in voice science and has done extensive studies with the Alexander Technique. He is currently the director of music ministries for St. Regis Parish in Bloomfield HIlls, Michigan.  

His favorite role is most often maestro, but onstage favorite roles include: Tamino in Mozart's The Magic Flute, Il Podesta in Mozart's La Finta Giardiniera, Orpheus in Offenbach's Orpheus and the Underworld, Laurie in Little Women (the musical) and Bobby Strong in Urinetown the Musical. 

Michael "Mike" Peterson is an accomplished choral conductor and educator who retired in 2024 after a distinguished 30-year career in Michigan public schools. He spent 20 years at Clarkston Community Schools directing five daily choirs and annual musicals, six years as the Director of Choirs and musical producer at Walled Lake Northern High School, and three years launching his career at Reese Public Schools. Under his direction, Mr. Peterson's choirs toured nationally in New York City, Chicago, and St. Louis, and internationally across Venice, Florence, and Rome, including a performance for a Vatican Mass and the Tuscany Choral Festival.

Currently, Mr. Peterson serves as the Artistic Director of the Cantata Academy Chorale in Royal Oak, Michigan, and actively sings with both the Detroit Concert Choir and the Christ Church Cranbrook Choir. He holds a Bachelor of Music Education with a conducting emphasis and a Master of Music in Voice Performance from Central Michigan University, where he studied under Dr. Nina Nash-Robertson and Mr. Timothy Caldwell. He has been married to his wife, Kate, for 33 years, and they have two daughters, Grace and Madeline.

Jinhyun Kim is a cellist from South Korea whose career encompasses orchestral performance, chamber music, solo appearances, and music education. She serves as Principal Cellist of the Lansing Symphony Orchestra and Assistant Principal Cellist of the Kalamazoo Symphony Orchestra. She also performs as a substitute musician with the Detroit Symphony Orchestra and Detroit Opera, collaborates with the Jackson Symphony, and is a core member of ConTempus Initiative, a new music ensemble based in mid-Michigan.

Jinhyun is also active as an educator. She serves on the cello faculties of Albion College, Oakland University, and Spring Arbor University, and is a cello faculty member at the Flint School of Performing Arts. In 2026, she joined the InterHarmony International Music Festival in Italy as Artist Faculty, teaching private cello students, coaching chamber music, and performing in faculty concerts. She is a registered Suzuki teacher through the Suzuki Association of the Americas and a member of the American String Teachers Association. She has also served on audition and competition panels for student and professional orchestras.
Jinhyun began playing the cello at the age of eight and has since performed as a soloist, chamber musician, and orchestral artist in the United States and internationally. She made her debut recital at Kumho Art Hall in Seoul in 2011 and has appeared as a concerto soloist with the Livingston Symphony Orchestra. In November 2013, she participated in a master class with Yo-Yo Ma at the Fairchild Theater at Michigan State University.

Her performances have included appearances at Carnegie Hall in New York as part of the American Protégé International Piano and Strings Competition Winners Recital in 2016 and the First Prize Winners Concert of the Golden Classical Music Awards in 2019.
In 2016, Jinhyun participated in the National Orchestral Institute Festival, where she worked with conductors including James Ross, Teddy Abrams, and Osmo Vänskä. Her performances with the National Orchestral Institute Philharmonic were featured on recordings released by Naxos Records, including Thompson’s Symphony No. 2.

Jinhyun has also performed as Principal Cellist with Detroit Chamber Winds & Strings, including a performance of Richard Einhorn’s Voices of Light at the Detroit Institute of Arts in 2018. In 2020, she appeared as a cellist in Michigan Opera Theatre’s production of Twilight: Gods, which received coverage in The New York Times, The Wall Street Journal, Opera News, and The New Yorker.

Jinhyun continues to maintain an active career as a performer and educator, working across orchestral, chamber, solo, contemporary music, and international festival settings.