Arvydas Kazlauskas, for whom the piece was specially written, performed 'Tumulus' for Soprano and Baritone Saxophones and timpani at Riga Saxophone Days, JVLMA Great Hall, April 11 2017. The objective of this project was the public performance of a new music composition for solo multi-instrumentalist. From the beginning, the idea was to combine soprano and baritone saxophones with timpani and electronics. This novel combination would involve challenging coordination and uncon