Why does music use different clefs?

The use of different clefs makes it possible to write music for all instruments and voices, regardless of differences in range. Using different clefs for different instruments and voices allows each part to be written comfortably on a stave with a minimum of ledger lines

Explanation:

The use of different clefs makes it possible to write music for all instruments and voices, regardless of differences in range. Using different clefs for different instruments and voices allows each part to be written comfortably on a stave with a minimum of ledger lines.

Explanation:

Music is written in different clefs because the range of notes that exist is far greater than what can fit on one five-line staff. ... Instead, each instrument uses a clef that allows most of the notes in its middle range to fall right on the staff.

the tempo markings are fast-slow-fast..