Sing the blues (out of key) with Lynott's band in audition (5)
Sing the blues - cr(e)ate - out of key
Phil Lynott's band - Originally 'Tin Lizzie' (from a character in 'The Dandy' comic).They altered the spelling to 'Thin Lizzy', inspired by the local accent that would pronounce Thin as T'in.
Def. - Tin Lizzie, an old or decrepit motor car.