Which of the following is a watercolor medium in which gum is added to ground opaque colors mixed with water?

Which individual revised Berlioz's influential treatise on orchestration in order to account for new instruments

a) Gustav Mahler b) Anton Bruckner c) Richard Strauss d) Peter Ilyich Tchaikovsky

In the blues, the lowered 3rd and 7th notes in the scale are known as

A. sad notes B. angry notes C. blue notes D. red notes