Over the several decades of his musical career, he has toured internationally and played in many styles; he frequently composes music for film and television.
Matthias’ compelling interest in Indian classical music led him to study Carnatic Music (South Indian style), affording him opportunities to play and collaborate with some of the finest Indian players of our time, such as Dr. L. Subramaniam, Sivamani, Tanmoy Bose, Bickram Gosh, Debashish Bhattacharya and world music Grammy Award winner Vishwa Mohan Bhatt.