THESE SONGS HAVEN'T BEEN RELEASED AS A COMMERCIAL SINGLE (promo could exist) since "Off The Wall" album during the Epic era with Sony:
2 Bad
2000 Watts
Baby Be Mine
Break Of Dawn
Burn This Disco Out
Butterflies (only as a promo)
Can't Let Her Get Away
Come Together
Dangerous
Don't Walk Away
D.S.
Get On The Floor
Heartbreaker
Heaven Can Wait (was charted thou)
I Can't Help It
Invincible
Is It Scary
It's The Falling In Love
Just Good Friends
Keep The Faith
Little Susie
Money
Morphine
Privacy
She Drives Me Wild
Smile
Speechless
Speed Demon
Superfly Sister
Tabloid Junkie
The Lady In My Life
The Lost Children
This Time Around
Threatened
Unbreakable
Whatever Happens
Why You Wanna Trip On Me
Working Day And Night
You Are My Life
Before the album release there was meant to be SIX singles (You Rock My World, Cry, Butterflies, Heaven Can Wait, Break Of Dawn and Unbreakable) from Invincible but only two was released. And also at least Whatever Happens and Threatened could have been considered to be released regarding how the album would have done...