ShredDB is an experimental .shred library, I removed the audio so it's pretty useless. You can find the source .psarc files here.

Song	Artist	Play	Shred	Length	Album	Year	Tuning	Uploader	Updated	Delete
Alternate Picking	Lesson Guitar			6:01	Lesson Guitar	2014	E Standard	mute	1970-01-01
Alternate Picking	Training			6:23	Exercises	2015	E Standard	mute	1970-01-01
Alternate Picking	You			7:29	You	2015	E Standard	mute	1970-01-01
Alternate Picking Exercise	BERNTH			5:41	Practice Tracks	2022	E Standard	mute	1970-01-01
Alternate Picking to Solo	Lesson Guitar			5:04	unknown	1999	E Standard	mute	1970-01-01
Level 2 Alternate Picking 1	You			1:15	Level 2	2021	E Standard	mute	1970-01-01
Part VI: Right Hand Technique (Alternate Picking Arpeggios)	John Petrucci			0:49	Rock Discipline	2000	E Standard	mute	1970-01-01