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
Relation Vs RedMegaman X71:05Megaman X7 Soundtrack2003E Standardmute1970-01-01
Relatos Salvajes (Wild Tales)Gustavo Santaolalla1:33Soundtrack2014Eb Standardmute1970-01-01
ReleaseLongestSoloEver2:25Friday Night Funkin' - VS Garcello2021E Standardmute1970-01-01
Remains of Summer MemoriesRise Against1:21The Unraveling2001E Standardmute1970-01-01
Remains of YouSix Feet Under3:25Haunted1995D Standardmute1970-01-01
Remote ControlKamimine Rin & Len5:13EXIT TUNES PRESENTS Vocalogemini2012E Standardmute1970-01-01
RepentYngwie Malmsteen3:15Spellbound2012Eb Standardmute1970-01-01
RequiemGalneryus5:16The Flag Of Punishment2003Custom Tuningmute1970-01-01
Requiem For A Dream (cover by Peter Gergely)Lux Aeterna2:35SoundTrack2000E Standardmute1970-01-01
Requiem of SilenceSuehiro Kenichirou7:06Re:Zero Soundtrack2016E Standardmute1970-01-01
Rescue MeMarcus King6:08Live from Easy Sounds2022E Standardmute1970-01-01
Resign to SurrenderEpica6:22Design Your Universe2009BEADGmute1970-01-01
ResolutionMattyyyM4:48SAO: Alicization-War of Underworld OP MattyyyM Cover2019E Standardmute1970-01-01
RetributionAtheist3:20Unquestionable Presence1991E Standardmute1970-01-01
Reve Of MirrorsThousand Leaves3:45Lunatic Dawn2012Eb Standardmute1970-01-01