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
RebellionDaisuke Ishiwatari4:10BlazBlue Original Soundtrack2008Eb Standardmute1970-01-01
Rebirth of An Inverted WorldWithin Destruction4:39Void2016Custom Tuningmute1970-01-01
Rebirth of HumanityBolt Thrower4:11War Master1991C# Standardmute1970-01-01
RebootMiwa4:03Reboot2019E Standardmute1970-01-01
RebornDrowning Pool4:09Full Circle2007C# Drop Bmute1970-01-01
RecklessAustralian Crawl5:26Semantics1983E Standardmute1970-01-01
ReckoningKillswitch Engage2:46Killswitch Engage2009D Drop Cmute1970-01-01
Reclaimed EarthAndrew Hulshult12:07DOOM: Eternal - The Ancient Gods Part II (Original Game Soundtrack)2021Custom Tuningmute1970-01-01
Reclamation (R2 The Invasion)PrinceWhateverer3:36REIMAGINE2019D Drop Cmute1970-01-01
Recollection DisasterShinigiwa Satellite3:27DEAD WEIGHT2017Drop Dmute1970-01-01
ReconquestShadow of Intent4:53Elegy2022C# Drop Bmute1970-01-01
RedTaylor Swift3:54Red2013E Standardmute1970-01-01
Red Berry Joy TownThe Wonder Stuff2:55Eight Legged Groove Machine1988E Standardmute1970-01-01
Red BombWhiplash5:20Power And Pain1985Eb Standardmute1970-01-01
Red Bull & HennessyJenny Lewis4:51On The Line2019E Standardmute1970-01-01