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
Over The Hill	Nobuo Uematsu			2:46	Final Fantasy IX	2000	E Standard	mute	1970-01-01
Paradigm Shift	Naoshi Mizuta			3:13	Final Fantasy XIII 2	2011	E Standard	mute	1970-01-01
Pirates Ahoy	Nobuo Uematsu			3:06	Final Fantasy V	1992	E Standard	mute	1970-01-01
Prelude	Uematsu, Nobuo			0:58	All Sounds of Final Fantasy I - II	1989	E Standard	mute	1970-01-01
Prologue Theme	Nobuo Uematsu			1:56	Final Fantasy IV	1988	E Standard	mute	1970-01-01
Prologue-Theme-(midi)	Nobuo Uematsu			1:56	Final Fantasy IV	1988	E Standard	mute	1970-01-01
Ramza's Theme	Hitoshi Sakimoto, Masaharu Iwata, Nobuo Uematsu			1:19	Final Fantasy Tactics OST	1997	E Standard	mute	1970-01-01
Rebel Army Theme (PSP Version)	Nobuo Uematsu			2:32	Final Fantasy 2 PSP	2007	E Standard	mute	1970-01-01
Red Cap Assault	Ashane			3:14	Final Fantasy Mystic Quest OST	2004	E Standard	mute	1970-01-01
Relax and Reflect	Yoko Shimomura			3:00	Final Fantasy XV OST	2016	E Standard	mute	1970-01-01
Ride On	Nobuo Uematsu			3:06	Final Fantasy VIII Original Soundtrack	1999	E Standard	mute	1970-01-01
Rufus's Welcoming Ceremony	Nobuo Uematsu			1:13	Final Fantasy VII	1997	E Standard	mute	1970-01-01
Savior Of Souls - Battle Theme	Naoshi Mizuta			4:46	Lightning Returns Final Fantasy XIII Soundtrack.	2013	E Standard	mute	1970-01-01
Scenery of Spira	Nobuo Uematsu			2:52	"Final Fantasy X" Original Soundtrack, Disk 1	2001	E Standard	mute	1970-01-01
Secret Library Dagerreo	Nobuo Uematsu			1:39	Final Fantasy IX	2000	E Standard	mute	1970-01-01