Commissioned by Franco Petracchi for the 1989 Bottesini Competition, 'Psy' is drawn from material originally in a violin duet by the composer. Relatively brief in duration (performance time, about 2 minutes), the piece demands sophisticated phrasing ability!
Solo bass part; 2 pages.
See link below for an excellent youtube performance:
https://youtu.be/bVxHPVdygZw