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
Beach OverworldShiho Fuji, Mahito Yokota1:01New Super Mario Bros. U OST2012E Standardmute1970-01-01
Desert ThemeKenta Nagata, Shiho Fujii2:17New Super Mario Bros. Wii OST2009E Standardmute1970-01-01
Overworld ThemeKenta Nagata, Shiho Fujii3:09New Super Mario Bros. Wii OST2009E Standardmute1970-01-01
Overworld Theme 2Koji Kondo0:43Super Mario Bros. 3 OST1991E Standardmute1970-01-01
Super Mario Bros. - Overworld BGMKoji Kondo3:15Super Mario Bros.1985E Standardmute1970-01-01
Underground ThemeKenta Nagata, Shiho Fujii2:20New Super Mario Bros. Wii OST2009Drop Dmute1970-01-01