even though John and Paul both had phenomenal pitch, John was quite insecure about his voice. Quite often when he’d come up to the control room and listen to a playback of his vocal, we’d have to tell John how good it was. We’d see that faraway look on his face and know that he was dissatisfied, even if it was a stunning performance; we’d have to keep reassuring him, or he’d insist that we erase it so he could try again.