You would have to hear it yourself to believe the perfect pitch, the harmony parts, how the volume rolled up and down.

A lead voice sings in a major scale, with occasional harmony parts.

All four members sang lead on some of the songs they performed, and most had complex harmony parts, including multiple-part a capella work.

Originally Lennon had intended to sing the higher harmony part, as this was the original melody.

A counter-melody is similar to a harmony part, but is distinguished because it has a melodic line of its own.

In the bedroom they shared, Brian would teach his brothers harmony parts.

He, along with his other bandmates, has taken over some of Page's lead and harmony vocal parts following the latter's departure.

An earlier fade during the ending harmony part (about 30 seconds earlier than the album version).

Also, a harmony part is added in the A-key section of the song.

In the studio she sang her own harmony parts, sometimes 3-4 parts.