Dos medías notas sumadas juntas equivalen a cuántos tiempos ?

Beethoven was a deaf man and couldnt hear. he became famous for his classical pieces. and there ye go.vivaldi was a true one hit wonder classical artist. hes known for his classical piece the four seasons. he was although wasn't as great as beethoven and yea 'ere ye a go.

Concerto grosso was composed during the classical era. (sorry if i misspelt the name)