Whether the angels play only Bach in praising God I am not quite sure; I am sure, however, that en famille they play Mozart.

-Barth, Karl
  Quoted in the NewYork Times.

You play Bach your way and I'll play him his way.

-Landowska,Wanda
Refusing to adapt her technique to suit another Bach specialist. Quoted in Clifton Fadiman The Faber Book of Anecdotes (1985).

Nothing is so musical as the sound of pouring bourbon for the first drink on a Sunday morning. Not Bach or Schubert or any of those masters.

-McCullers, (Lula) Carson ne¤  e Smith
  Clock Without Hands.

Bach on the wrong notes.

-Prokofiev, Sergei Sergeyevich
Of the music of Stravinsky. Quoted inV Seroff Sergei Prokofiev (1968).