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
Garibaldi Courtyard (Acoustic)	Michiru Yamane			1:39	Castlevania Curse of Darkness OST	2005	Drop D	mute	1970-01-01
Garibaldi Temple (Acoustic)	Michiru Yamane			1:27	Castlevania: Curse of Darkness OST	2005	E Standard	mute	1970-01-01
Heart of Fire (Julius Battle Theme)	Michuru Yamane			5:17	Castlevania Aria of Sorrow OST	2003	E Standard	mute	1970-01-01
Iron Blue Intention	Michiru Yamane			2:30	Castlevania Bloodlines	1994	E Standard	mute	1970-01-01
Lament of Innocence (Leon Theme)	Michiru Yamane			2:11	Castlevania: Lament of Innocence OST	2005	E Standard	mute	1970-01-01
Last Boss	Kenichi Matsubara			0:46	Castlevania II: Simon's Quest OST	1987	E Standard	mute	1970-01-01
Lost Painting	Michiru Yamane/Pedro Anselmo			2:03	Castlevania: Symphony of the Night OST	2017	E Standard	mute	1970-01-01
Mad Forest	Hidenori Maezawa			1:40	Castlevania III: Dracula's Curse OST	1989	E Standard	mute	1970-01-01
Marble Gallery Fingerstyle	Michiru Yamane/Manyth			3:02	Castlevania: Symphony of the Night OST	1997	E Standard	mute	1970-01-01
Medley Of The Night	DrDante89Michiru Yamane			7:57	Castlevania: Symphony of The Night	2010	D Standard	mute	1970-01-01
Medley Of The Night (In E)	DrDante89Michiru Yamane			7:56	Castlevania: Symphony of The Night OST	2010	E Standard	mute	1970-01-01
Message of Darkness	Kenichi Matsubara			1:16	Castlevania II: Simon's Quest OST	1987	E Standard	mute	1970-01-01
Monster Dance	Kenichi Matsubara			1:45	Castlevania II: Simon's Quest OST	1987	E Standard	mute	1970-01-01
New Messiah (Crystal Castle)	Hidehiro Funauchi			3:14	Castlevania Adventure II: Belmonts' Revenge OST	1991	E Standard	mute	1970-01-01
Of Whips and Strings	Super Guitar Bros			4:43	ampire Variations: A Musical Tribute to Castlevania	2011	E Standard	mute	1970-01-01