What terrible harm Wagner did by interspersing his pages of genius with harmonic and modulatory outrages to which both young and old are gradually becoming accustomed and which have procreated d'Indy and Richard Strauss.
Nikolai Rimsky-KorsakovOrchestration is part of the very soul of the work. A work is thought out in terms of the orchestra, certain tone-colors being inseparable from it in the mind of its creator and native to it from the hour of its birth.
Nikolai Rimsky-Korsakov