I have 13 favorites and here is the list.

Joy- Apollo 100
Outa Space- Billy Preston
Popcorn- Hot Butter
Frankenstein- Edgar Winter Group
Love's Theme- Love Unlimited Orchestra
TSOP (The Sound Of Philadelphia)- MFSB
The Entertainer- Marvin Hamlisch
Pick Up The Pieces- Average White Band
The Hustle- Van McCoy
Fly Robin Fly- Silver Convention
A Fifth Of Beethoven- Walter Murphy
Theme From S.W.A.T.- Rhythm Heritage
Feels So Good- Chuck Mangione