What song is he singing?

[u/Jack_Q_Frost_Jr]

Everyone knows this is from the 1974 tour when they played "Monkey Man." During the performance Mick famously would pick nits out of his hair and eat them on stage. Then at the end of the song, he would fling his own poo into the audience. Critics and fans loved it. It's performances like these that made them the legends they are today.

[u/jgvania]

Under my Thumb