While professional singers can command a pitch range of two octaves or more, an untrained voice is usually limited to abouta. half an octaveb. one octavec. an ocatve and a halfd. two octaves

Ways the development of the international gothic style moved western art forward toward the renaissance

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?

The arrangement of the pitches in a piece of twelve tone music is called