3. Which types of instruments are found in the string quartet? Check all that apply.*
3 points
harp
violin
cello
guitar
double bass
piano
viola

String group of four, melodic structure for two violins, viola, and cello in a few (normally four) developments. It has been the prevalent class of ambiance music since around 1750.

the longest time is 123 years

12-bar blues chorus = a a b