Describe how Guillaume de Machaut's Notre Dame Mass reflects the aesthetics of the ars nova.

Match the instrument with its classification group: trumpet idiophone piano chordophone cowbell membranophone snare drum aerophone

Whereas traditional stock agencies showcase the work of professional photographers, anyone can submit to microstock agencies, provided images meet the criteria that the microstock agency has set up. true or false?

In three to five sentences, list and briefly explain the three elements of music