Get ready to feel moody with "Ain't No Harm to Moan (Slave Song)" by Earth, Wind & Fire. With a 138 BPM and 4 time signature, the rhythms flow in A♯/B♭ major. Spanning 5 minutes and 21 seconds, "Ain't No Harm to Moan (Slave Song)" radiates low energy from start to finish. Let the moody vibes of this track carry you away.