Musical pitches are named after the first seven letters of the alphabet written on a five-line, four-space staff the building blocks of melody all of the above none of the above

all of the above

Explanation:

Musical pitches are named after the first seven letters of the alphabet written on a five-line, and a four-space staff the building blocks of melody.

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answer; timpani,horns and bells;

all options are correct a) b) c) and d)