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
RazbitbI MechtbIKaif3:57Single2008Custom Tuningmute1970-01-01
Re:Re:Asian Kung-Fu Generation5:35Re:Re: - Single2016E Standardmute1970-01-01
Re:birth dayRoselia4:31Roselia 2nd single Re:birth day2017Drop Dmute1970-01-01
Real Worldnano.RIPE3:31Jinrui wa Suitai Shimashita OP Single2012E Standardmute1970-01-01
Red DoorJulien Baker3:44Single2017Drop Dmute1970-01-01
Red Eyes, Black SkiesBlack Tusk3:49Taste The Sin2010D Drop Cmute1970-01-01
Red Frame White LightOrchestral Manoeuvres In The Dark3:13Souvenir The Singles 197920191979E Standardmute1970-01-01
Red LetterArch Echo5:00Single2022AEADGmute1970-01-01
Red Light Spells DangerBilly Ocean3:34Single1977E Standardmute1970-01-01
ReflectionBalance and Composure4:11The Things We Think We're Missing2013Drop Dmute1970-01-01
Refrain BoyALL OFF3:36Mob Psycho 100 ED Single2016Eb Standardmute1970-01-01
Refrain Boy -English Ver.-ALL OFF3:36Mob Psycho 100 ED Single2016Eb Standardmute1970-01-01
RefugeRage3:41The Missing Link1993Eb Standardmute1970-01-01
ReilaThe GazettE7:52Single2005Custom Tuningmute1970-01-01
Reinventing Your ExitUnderoath4:27They're Only Chasing Safety2004Drop Dmute1970-01-01