Thirteenth Floor Opening Mudhoney Mudhoney - Thirteenth Floor Opening (Tune -1/2) intro: Riff: guitar 1: {sot e |-0---0-0--3-3-3--0-0---| T B |-0---0-0--0-0-0--------| A G |-0---0-----------------| B D |-2---------------------| A |-2---------------------| E |-0---------------------| {eot Then guitar 2 (not into riff): we call that Riff 2 (*g*) {sot e |------------------------------------------------------| T B |----------------------------------------------3-/-5---| A G |----------------- (azchords.com)