From baby-faced Michael to controversial Michael, Pentatonix covered 20 Michael Jackson songs in a six-minute a capella medley.

If the name Pentatonix sounds familiar, you may have heard it when the group won the third season on NBC's "The Sing-Off." Or, perhaps, when the group collected its Grammy for the song, "Daft Punk."

Here is the list of songs covered by Pentatonix - a mix the King of Pop would have undoubtedly approved:

Evolution of Michael Jackson songs:

I Want You Back (1969)

ABC (1970)

I'll Be There June (1970)

Ben (1971)

Dancing Machine (1973)

Shake Your Body (Down to the Ground) (1979)

Don't Stop Till You Get Enough (1979*)

Rock With You (1979*)

Billie Jean (1983)

Beat It (1983)

Wanna Be Startin' Something (1983)

Human Nature (1983)

Thriller (1983)

I Just Can't Stop Loving You (1987)

P.Y.T. (1983)

Bad (1987)

The Way You Make Me Feel (1987)

Man In the Mirror (1988)

Dirty Diana (1988)

Smooth Criminal (1988)

Black or White (1991)

Remember the Time (1992)

Heal The World (1992)

Will You Be There (1993)

You Are Not Alone (1995)