The song is one of the most famous contributions of Brad Whitford to the band, featuring his signature opening guitar notes, riff, and solo. The song opens like a slow song, with the slow, careful playing of the guitar and Steven Tyler's dreamy lyrics. But then after 22 seconds, it abruptly changes to a hard rocking bluesy song, complete with a boogie background and two-guitar interplay between Brad Whitford and Joe Perry, with Whitford playing the low notes of the song's riff on the verse and Perry playing funk chords higher up on the neck.