Answer:
8. a) WWH WWWH
W = left one whole key
H = left half key
9. The time signature indicates how many counts are in each measure and which type of note will receive one count. The top number is commonly 2, 3, 4, or 6. The bottom number is either 4 or 8. Simple time signatures divide music into groups of 2 and compound divide music into groups of 3.
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