Could someone explain to be how to play b flat on the viola?

Ineed don't know what's in this tell class

The degree to witch the surface of an object seems to have a particular feel is referred to as an object

Brancusi's well-known sculpture of a bird was intended to a. display the physical qualities of a bird. b. emphasize the relative size of birds to humans. c. show the calming attributes of birds. d. emphasize the graceful qualities of a bird. select the best answer from the choices provided a b c d