When/why did vocals-guitar-bass-drums become the vast majority of rock music group makeups? Even with the occasional keyboardist, bands are almost entirely the same instruments.

Question

When/why did vocals-guitar-bass-drums become the vast majority of rock music group makeups? Even with the occasional keyboardist, bands are almost entirely the same instruments.

In: 917

Answer 1

Four guys can tour in a van or station wagon with these instruments. It’s *much* harder to get a band started if you’re playing harp, contrabass, and grand piano.