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
Rock'n'Roll suicide	David Bowie			3:05	The rise & fall of Ziggy Stardust & the Spiders from Mars	1972	E Standard	mute	1970-01-01
Rocket Dive	hide with Spread Beaver			3:48	Ja, Zoo	1998	D Standard	mute	1970-01-01
Rockin' Around The Christmas Tree	John Travolta & Olivia Newton-John			2:17	This Christmas	2012	E Standard	mute	1970-01-01
Rockin' Chair	Gwen McCrae			3:22	Rockin' Chair	1975	E Standard	mute	1970-01-01
Rocky Mountain Way	Joe Walsh			5:21	The Smoker You Drink...	1973	Opend E	mute	1970-01-01
Roe v World	War on Women			2:02	War on Women	2015	Eb Drop Db	mute	1970-01-01
Roger Rabbit	Sleeping With Sirens			3:30	If You Were a Movie, This Would Be Your Soundtrack	2012	E Standard	mute	1970-01-01
Rohan (Solo Guitar Medley)	Howard Shore/Harry Murrell			3:49	The Lord of the Rings: The Two Towers OST	2016	E Standard	mute	1970-01-01
Roland The Headless Thompson Gunner	Warren Zevon			3:51	Excitable Boy	1978	E Standard	mute	1970-01-01
Roll with the Changes	REO Speedwagon			5:39	You Can Tune a Piano, but You Can't Tuna Fish	1978	E Standard	mute	1970-01-01
Roller	April Wine			4:24	First Glance	1978	E Standard	mute	1970-01-01
Rollerskates	SEKAI NO OWARI (End Of The World)			3:32	Rollerskates	2020	E Standard	mute	1970-01-01
Rolling Girl	wowaka Feat. Hatsune Miku			3:12	EXIT TUNES Presents Vocalogene	2010	E Standard	mute	1970-01-01
Rolling Stone	Danny Brown			3:57	Atrocity Exhibition	2016	Drop D	mute	1970-01-01
Rolling Wheels	Running Wild			5:42	Blazon Stone	1991	E Standard	mute	1970-01-01