"TSOP (The Sound of Philadelphia)" is a 1974 recording by MFSB featuring vocals by The Three Degrees.

There are two vocal parts: a passage where The Three Degrees sing "People all over the world" and "Let's get it on.

Billboard Hot 100 in 1974 and remained there for two weeks, the first television theme song to do so.

[2][4] Don Cornelius, the creator and host of Soul Train, refused to allow any references to the name of the television series when the single was released, leading Gamble and Huff to adopt the alternate title for the release.

In 1998, German act BMR featuring Dutch singer Felicia Uwaje sampled the single in their song Check It Out.