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
Rifts To AbhorrenceAnalepsy2:23Atrocities From Beyond2017C Drop Abmute1970-01-01
Right In TwoBeard Of Harmony8:17Youtube2018E Standardmute1970-01-01
Rim of the WorldBuckethead2:33Shadows Between the Sky2010E Standardmute1970-01-01
Ringo Buys a RifleThe Dead MilkmenBass2 2:22Beelzebubba1988E Standardmute1970-01-01
Ripe Seeds (Plant Castle)Hidehiro Funauchi1:26Castlevania II: Belmont's Revenge Soundtrack1991Drop Dmute1970-01-01
RippleGrateful Dead4:14American Beauty1970E Standardmute1970-01-01
RiseDisturbed3:58Believe2002Eb Drop Dbmute1970-01-01
RiseThe Cult3:44Beyond Good And Evil2001Drop Dmute1970-01-01
Rise Above ThisSeether3:23Finding Beauty In Negative Spaces2007E Standardmute1970-01-01
Rise Above ThisSeether3:23Finding Beauty in Negative Spaces2007Eb Drop Dbmute1970-01-01
River QueenVolbeat3:44Rock The Rebel Metal The Devil2007D Standardmute1970-01-01
Rock 'n' Roll DamnationAC/DC3:40Let There Be Rock1977E Standardmute1970-01-01
Rock 'n' Roll StarOasis5:26Definitely Maybe1994E Standardmute1970-01-01
Rock Against RomanceHolly & The Italians5:39The Right To Be Italian2008E Standardmute1970-01-01
Rock Am Ring SoloSynester Gates4:02youtube2003Drop Dmute1970-01-01