Naturally, he'd written a blues song about the return of his instrument, all squealing guitar and careworn humour.

No other band had taken a blues song and done that back then.

In a jazz or blues song, the tonic chord may be a dominant seventh chord.

The lyrics, too, can seem as melancholy as the darkest and dankest of blues songs.

West side blues incorporated elements of blues-rock but with a greater emphasis on standards and traditional blues song forms.