Here are a few GT 100 Patches that sound nice!
BOSS GT-100 GARY MOORE Distortion [Patch Settings].
https://www.youtube.com/watch?v=e8saDUbVxpc
BOSS GT-100 MALMSTEEN Distortion - Guitar Patches.
https://www.youtube.com/watch?v=B39Fx-5GH54
BOSS GT-100 CLEAN Sound, OVERDRIVE (CTL) and DISTORTION (Phrase Loop) Patch Settings.
https://www.youtube.com/watch?v=jQg1bRs8lnA
Petrucci patch on Boss Gt-100
https://www.youtube.com/watch?v=_fVofw5UlBk
There is a jumbo bulk patch collection set here too
https://sourceforge.net/projects/fxfloorboard/files/GT-100FxFloorboard/Patch%20Sets/
I'm likely missing something, but very few of these appear to open in the GT-100 Librarian (using Import SMF). Am I missing something, or are they for an older version of the Librarian?
Thanks.
Use - Gumtown's GT100 FxFloorBoard Editor
https://www.vguitarforums.com/smf/index.php?topic=19868.0
https://sourceforge.net/projects/fxfloorboard/files/GT-100FxFloorboard/
And be sure you have latest GT-100 firmware 2.10
https://www.boss.info/us/support/by_product/gt-100/updates_drivers/7172d7ae-7c14-4ab0-a105-d8faba48d4a0/
Thanks... and apologies for taking so long to reply.