Explanation: Collage (/kəˈlɑːʒ/, from the French: coller, "to glue" or "to stick together";) is a technique of art creation, primarily used in the visual arts, but in music too, by which art results from an assemblage of different forms, thus creating a new whole. (Compare with pastiche, which is a "pasting" together.)
Explanation: A warm up revs your cardiovascular system increasing your temperature and the heat that is building up. It increasing blood flow to your muscles. I don't know if this helps?
Within a measure of three counts, to change the note that gets one beat/count into an eighth note, means that a full measure would have three eighth notes (1,2,3). Likewise six sixteenth notes (dividing the eighths, 1& 2& 3&) are needed for a full measure.