big band

US /ˈbɪɡ ˌbænd/
UK /ˈbɪɡ ˌbænd/
"big band" picture
1.

a large dance band, especially of the 1930s and 1940s, that plays swing music and has a rhythm section, a brass section, and a reed section

:
The jazz club featured a classic big band on Saturday nights.
Many famous musicians started their careers playing in big bands.