sentences:  Treatise on Instrumentation
  
  Grand traité d’instrumentation et d’orchestration modernes, abbreviated in English as the Treatise on Instrumentation (sometimes Treatise on Orchestration) is a technical study of Western musical instruments written by Hector Berlioz.It was first published in 1844 after being serialised in many parts prior to this date and had a chapter added by Berlioz on conducting in 1855.