I saw a drummer play once when I was a kid and I thought, thats really cool. You know, youre moving. Youre using your arms and fingers. So I tried it and I loved it. – Bill Kreutzmann
Music is emotional, and you may catch a musician in a very unemotional mood or you may not be in the same frame of mind as the musician. So a critic will often say a musician is slipping. – Nat King Cole