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
Overworld Theme	Kenta Nagata, Shiho Fujii			3:09	New Super Mario Bros. Wii OST	2009	E Standard	mute	1970-01-01
Overworld Theme (from Legend of Zelda - NES)	Gamehog			1:48	Single	2019	E Standard	mute	1970-01-01
Overworld Theme (from Super Mario Bros. - NES)	Gamehog			2:05	Single	2019	Drop D	mute	1970-01-01
Overworld Theme 2	Koji Kondo			0:43	Super Mario Bros. 3 OST	1991	E Standard	mute	1970-01-01
Terraria Overworld Theme (Day)	Re-Logic			2:23	Terraria Soundtrack	2011	E Standard	mute	1970-01-01
The Legend Of Zelda Overworld Theme	CSGuitar89			1:51	Youtube Channel / The Legend Of Zelda OST	2010	E Standard	mute	1970-01-01
The Legend Of Zelda Overworld Theme Backing Track	CSGuitar89			1:51	Youtube Channel / The Legend Of Zelda OST	2010	E Standard	mute	1970-01-01
Zelda 2 Overworld Theme	Akito Nakatsuka			1:42	Zelda 2 OST	1987	E Standard	mute	1970-01-01