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
The Reincarnation of Benjamin BreegIron Maiden7:21A Matter Of Life And Death2006E Standardmute1970-01-01
The Return of Agent EmbryoNuclear Rabbit2:38Intestinal Fortitude2011Custom Tuningmute1970-01-01
The Revanchist (Eb)Trivium7:20The Sin And The Sentence2019Eb Standardmute1970-01-01
The Revolution Will Not Be TelevisedGil Scott-Heron3:14Pieces Of A Man1971E Standardmute1970-01-01
The Riverboat SongOcean Colour Scene4:59Moseley Shoals1996E Standardmute1970-01-01
The Road Back HomeThe Flower Kings9:00Retropolis1996E Standardmute1970-01-01
The Robot Who Lost Its HeadBuckethead3:58March Of The Slunks2012E Standardmute1970-01-01
The Robot With Human Hair pt.4Dance Gavin Dance3:36Acceptance Speech 2.02019E Standardmute1970-01-01
The Robot with Human Hair pt IIIDance Gavin Dance3:49Dance Gavin Dance2008Drop Dmute1970-01-01
The Rose (Backing Track)Bette Midler3:56The Rose1980E Standardmute1970-01-01
The Rubberband ManThe Spinners7:21Happiness is Being with the Spinners1976E Standardmute1970-01-01
The RumblingMattyyyM1:56Attack on Titan Season 4 Part 2 OP MattyyyM Cover2022C Drop Abmute1970-01-01
The RumblingSiM3:43The Rumbling - Single2022Custom Tuningmute1970-01-01
The RumblingSkar Productions3:03Attack on Titan Metal Cover feat. Demiquaver2022B Drop Amute1970-01-01
The Rumbling (TV Size Ver. - Attack On Titan OP 7)SiM1:35The Rumbling2022Custom Tuningmute1970-01-01