Complex sentence: Power discovered the harmonica at university after hearing Sonny Terry play at a concert by the blues duo Sonny Terry and Brownie McGhee and subsequently taught himself to play by ear and music soon took over from academia as Power's main passion.
Split into simpler sentences: Power discovered the harmonica at university after hearing Sonny Terry play at a concert by the blues duo Sonny Terry and Brownie McGhee. Power subsequently taught himself to play harmonica by ear and music soon took over from academia as his main passion.