The GT-1B preset patch list is included in the downloadable PDF GT-1B Parameter Guide/Sound List.
In addition to the Preset Patches, the BOSS TONE STUDIO allows you to load free patch collections programmed by top bassists into your GT-1B and play them. Visit GT-1B Live Sets | BOSS TONE CENTRAL. For details on BOSS TONE STUDIO, see "Using BOSS TONE STUDIO for GT-1B".
Also, you can share original Livesets with users around the world at BOSS TONE EXCHANGE. See "Using BOSS TONE EXCHANGE" for details on how to get started.