MUSIC 1. It is a condition of music in which the constructs of the music do not live within the confines of a particular key signat
a. Atonal Music
b. Chance Music
c. Tonal Music
d. None of the above
2. It is a principle of organizing musical compositions around a central note, the tonic.

Depression is lifelong, though you can get medication to with it. the difference between sadness and depression is that sadness lasts a little bit, depression last a long time and it goes on and off. people usually get depression through experiences they have been through, or genetics.