Founded by Sarah Off and Dr. Marilyn Clark Silva, Phoenix based Tandem Duo is an innovative violin/marimba duo that performs original commissions, compositions, and arrangements, as well as established works for the ensemble. Tandem Duo strives to fit concert repertoire to specific audiences while at the same time expanding the sonic experience for concertgoers. As educators Tandem Duo presents master classes and seminars on mixed ensemble playing, collaboration, and presentation of new works. When not rehearsing or performing Sarah and Marilyn can be found at the dog park.