(cleanup) Reorganize individual song page controller
(cleanup) Reorganize individual song page controller

BuoyantPyramid/buoyantpyramid,BuoyantPyramid/Audiopile,steryereo/Audiopile,BuoyantPyramid/buoyantpyramid,BuoyantPyramid/buoyantpyramid,steryereo/Audiopile,BuoyantPyramid/Audiopile,steryereo/Audiopile,BuoyantPyramid/Audiopile