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
ReaniManiacRevocation3:22Existence Is Futile2009Eb Standardmute1970-01-01
Reaping StoneIced Earth4:05Something Wicked This Way Comes1998Eb Standardmute1970-01-01
Reason to BelieveStrung Out2:16Twisted By Design1998D Standardmute1970-01-01
Rebellion of the SnakesStrung Out3:42Transmission.Alpha.Delta2015Eb Standardmute1970-01-01
RebirthThe Dear Hunter2:52Act Iv: Rebirth in Reprise2015E Standardmute1970-01-01
Reborbate RomanceBlacklisted Me Feat.Samie Jayden3:21Blacklisted Me2011E Standardmute1970-01-01
Reckless CityTakahashi Youichi & Masayuki Kishi2:43M.D. Geist1986E Standardmute1970-01-01
Reckless ParadiseBilly TalentCombo 3:27Reckless Paradise2019Drop Dmute1970-01-01
Recuerdos de la AlhambraFrancisco Tárrega2:45Francisco Tárrega2017E Standardmute1970-01-01
Red SkyThrice4:17Vheissu2005D Drop Cmute1970-01-01
Red Sky WarningIce Nine Kills4:08Safe Is Just A Shadow2010Eb Drop Dbmute1970-01-01
Red, White and BlueJudas Priest3:44British Steel1980E Standardmute1970-01-01
Redemption - The Democracy IllusionMayan6:10Antagonise2014BEADGmute1970-01-01
RedshiftGood Tiger4:51Raised in a Doomsday Cult2020Drop Dmute1970-01-01
ReflectionBalance and Composure4:11The Things We Think We're Missing2013Drop Dmute1970-01-01