00:00 Introduction. Repeating bass note, guitar melodic lead. No drums.
00:07 Verse one. A: The drum plays an even beat with a back-up beat but not as forceful as in the next few years.
00:21 A: The vocal lead is harmonized by another voice. This is the new sound of the British Invasion.
00:35 The is the B section of the song, contrasting the opening two phrases harmonically and melodically. Notice the vocal harmonizations. This is not call-and-response. The other voices are singing harmony to the lead.
00:49 B.
01:04 Second verse. Back to a single lead vocal.
01:17 Vocal harmony returns.
01:31 Solo section. Solo over the A section. The use of exotic sounds in the British sound are evident here. This is not just a guitar band in the recordings. The two melodies in this section are in counterpoint, which is a classical music technique. Notice the surprising major chord at the end of this section.
01:45 This is the B section again.
02:00 Last phrase of the chorus.
02:13 Last verse.
02:28 Harmonizations return. A .
02:42 The instrumental two-melody counterpoint returns for the ending.
02:57 End.