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
Raise Your HornsAmon Amarth4:27Jomsviking2016B Drop Amute1970-01-01
Ramblin' ManLemon Jelly7:06Lost Horizons2002E Standardmute1970-01-01
Raven's Flight (S.O.F.'s version)Amon Amarth5:27Berserker2019Custom Tuningmute1970-01-01
Reckless SerenadeArctic Monkeys2:45Suck It and See2011E Standardmute1970-01-01
RecluseBelmont3:16Belmont2018Eb Drop Dbmute1970-01-01
Red Blue Yellow Battle MusicPokemon4:12GameBoy1996E Standardmute1970-01-01
Red CloudsDisarmonia Mundi5:20Fragments Of D-Generation2004Custom Tuningmute1970-01-01
Red Light Indicates Doors Are SecuredArctic Monkeys2:26Whatever People Say I Am, That's What I'm Not2006E Standardmute1970-01-01
Red Right HandArctic Monkeys4:22Crying Lightning - EP2009Drop Dmute1970-01-01
RelapseBen Simon7:32Ellipsism2020AEADGmute1970-01-01
ResolutionAndy Timmons Band5:44Resolution2006Drop Dmute1970-01-01
RespiroFranco SimoneCombo 3:16Respiro1977E Standardmute1970-01-01
Resurrection CodeDisarmonia Mundi4:25Mind Tricks2006Custom Tuningmute1970-01-01
RibcageDemon Hunter3:48The Triptych2005C# Drop Bmute1970-01-01
Right In TwoBeard Of Harmony8:17Youtube2018E Standardmute1970-01-01