This kit follows the same mapping as the other Jazz Trio and Strings kits.
Bass c1 to G3 at midi 0-31
Drums at midi 35 through 59 - Shaker is at 59, other sounds shold follow GM.
Piano C2 through C5 at midi 60 through 96.
Strings C#1 through G3 at midi 97 through 127.
Se kit map for more details.