I don't think there's anything wrong with not knowing how to play an instrument, but the rise of the non-musical producer has done away with musicianship and focused attention purely on the song's hook.
MobyWhen I was a drunk, New York was the greatest place in the world. You walk everywhere, everything is open until four in the morning, and people go to New York looking for debauchery.
MobyThe average life expectancy of a celebrity is 20 years less than someone working in a coal mine.
Moby