I realized what Led Zeppelin was about around the end of our first U.S. tour. We started off not even on the bill in Denver, and by the time we got to New York we were second to Iron Butterfly, and they didn't want to go on! ↗
His talent was as natural as the pattern that was made by the dust on a butterfly's wings. At one time he understood it no more than the butterfly did and he did not know when it was brushed or marred. ↗