Jonathan Dexter, Cello
Robyn Dixon Costa, Oboe & English Horn  

performs with Pennsylvania Centre Orchestra and Penn's Woods Music Festival.  She is active​ behind the scenes managing the Allegría Ensemble. She writes our arrangements, and works with our clients. A trained teaching artist, she organizes our concerts for new audiences.  She teaches private violin and viola.

collaborates with Sally in their Revamped Duo projects that include live video concerts. He performs as concertmaster of the Williamsport Symphony Orchestra, and  with the Pennsylvania Centre Orchestra, Penn's Woods Music Festival, and Altoona Symphony. Mark teaches violin and viola at Grier School in Tyrone, PA and at his home studio.​

The Musicians


is in demand as a freelance player and gigs with the piano, guitar, cello rock group Unbanned. He performs and records with the Paragon Ragtime Ensemble and is principle cellist with the Altoona Symphony. You'll also see him with the Williamsport Symphony and Penn's Woods Music Festival.  He composes and performs for film scores, runs his engineering and recording studio, and teaches private cello.
Sally Williams Minnich, Violin
Debbie Trudeau, Violin & Viola 
​​​Mark Minnich, Violin 

is a certified Alexander Technique instructor and teaches at the Philadelphia School for Alexander Technique. She performs with the Pennsylvania Centre Orchestra, Penn's Woods Music Festival, and Columbus Symphony. She is on the music faculty at Penn State University, Juniata College, and Bloomsburg University.

​​is also half of the innovative Revamped Duo with her husband Mark.  She performs with the Pennsylvania Centre Orchestra, Penn's Woods Music Festival, the Altoona Symphony, and the Williamsport Symphony. She teaches violin and viola at Grier School in Tyrone, PA and is the Creative Director of the State College Suzuki Program.  Sally composes and arranges music for the ASQ.