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 RiverInsomnium8:00Shadows of the Dying Sun2014D Standardmute1970-01-01
The River Dragon Has ComeNevermore5:10Dead Heart in a Dead World2000Custom Tuningmute1970-01-01
The River Ov KnivesWorm Shepherd5:17Ritual Hymns2022Custom Tuningmute1970-01-01
The River SongAmorphis4:32Halo2022D Standardmute1970-01-01
The Road I Must TravelTom Morello: The Nightwatchman3:53One Man Revolution2007E Standardmute1970-01-01
The Road Most Traveled AcousticJeremy Soule1:26The Elder Scrolls III: Morrowind OST2002E Standardmute1970-01-01
The Road Most TravelledJeremy Soule/Tim Herlihy1:41The Elder Scrolls III: Morrowind OST2013E Standardmute1970-01-01
The Road To DevastationKataklysm7:17In The Arms Of Devastation2006B Standardmute1970-01-01
The RockersRabea Massaad1:51Grinding Gears 32021D Standardmute1970-01-01
The Room Where It HappensHamilton5:23Hamilton (Original Broadway Cast Recording)2015E Standardmute1970-01-01
The Root Of All Evil (Live)Dream Theater8:22Dream Theater Score 20th Anniversary World Tour2006Custom Tuningmute1970-01-01
The Root of All EvilDream Theater8:25Octavarium2005Eb Standardmute1970-01-01
The Root of All EvilDream Theater8:09Octavarium2005Custom Tuningmute1970-01-01
The RoseMemphis May Fire3:46Unconditional2014Eb Drop Dbmute1970-01-01
The Rose (Backing Track)Bette Midler3:56The Rose1980E Standardmute1970-01-01