At 12, Michael’s voice is noticeably deeper than on earlier Jackson 5 songs — and deeper than on a lot of his later solo stuff too. In the verse, he ramps up the emotion gradually, easing his way up the scale until he bursts into the chorus, hitting all the high notes with astounding clarity.
[youtube=http://www.youtube.com/v/snihdG1rE0Y&hl=en&fs=1&]