Quote Originally Posted by MasterCylinder
.......in an interview with Jimmy Page, he once remarked that Zeppelin III was their response to the huge surprise (to the Zepp) successes of C,S,N & Y.

I think I remember that from Hammer Of The Gods...Page was very conscious of the pop music world and while Zep broke new ground on almost every release, however, Page did want airplay, and adjusted Zep's musical direction accordingly.