Answer:
McMaster was the first U.S. attorney appointed by President Ronald Reagan, and was unanimously confirmed by the United States Senate. His “Operation Jackpot” investigation into international drug smuggling produced over 100 convictions.
A. Solfege is the answer. This is the system of do-re-mi-fa-sol... etc.
Neumes are different notes sung on a syllable.
Tritone describes an interval (distance between 2 pitches) of 3 whole steps.
Organum is an early form of heterophony