...And plays on Tattoo You:

Mothersbaugh: “Worried About You.” They’d recorded it in, like, 1968 and were like, “Well, let’s add a synth track on it.” The next day, they played it for Keith Richards and he later told my brother, “Who played that synthesizer part? I’m gonna stab him!” [Laughs] So Keith hated it, but there’s a little of it still in the fadeout and that’s about it.


https://www.rollingstone.com/music/music-features/devo-on-how-whip-it-changed-th...