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
UndergroundGOB3:36Muertos Vivos2007D Drop Cmute1970-01-01
UndergroundLife of Agony4:40River runs red1993D Drop Cmute1970-01-01
UndergroundLindsey Stirling4:12Artemis2019E Standardmute1970-01-01
UndergroundMen at Work3:09Business As Usual1982E Standardmute1970-01-01
UndergroundTom Waits2:06Swordfishtrombones1983E Standardmute1970-01-01
Underground ThemeKenta Nagata, Shiho Fujii2:20New Super Mario Bros. Wii OST2009Drop Dmute1970-01-01
UndergrowthCaligula's Horse2:42Bloom2015E Standardmute1970-01-01
Underneath A Sullen MoonShadow Of Intent4:47Single2018Custom Tuningmute1970-01-01
Underneath A Sullen Moon (alt version)Shadow Of Intent4:42Melancholy2019C Drop Abmute1970-01-01
Underneath A Sullen Moon (tab version)Shadow Of Intent4:42Melancholy2019C Drop Abmute1970-01-01
Underneath The Rotting PizzaNobuo Uematsu1:57Final Fantasy VII OST1997E Standardmute1970-01-01
Underneath Your ClothesShakira3:46Laundry Service2001E Standardmute1970-01-01
Underneath Your PillowIt Bites5:28Eat Me in St Louis1989D Standardmute1970-01-01
Understanding Love as LossSilent Planet3:32Everything Was Sound2016Custom Tuningmute1970-01-01
Understanding What We've Grown To BeWe Came As Romans4:27Understanding What We've Grown To Be2011Custom Tuningmute1970-01-01