Yes, Hatless, it's supposed to be W S Gilbert who, when asked by an old lady whether dear old Beethoven was still composing, said "I think, madam, he is more in the nature of decomposing."
Alas, colrox, 'quite a good pop guitar player' shows you to be guilty of the Deadly Sin of Pride, which means that your guitar will be consumed in the flames that you will have to bear for eternity.
Perhaps you could correct it to 'pretty poor guitar player' before God notices. I hear that he never reads AB until after his first gin at noon.