Final answer:
Commercial jazz can be found in nightclubs, theatres, recordings, and on radio stations.
Step-by-step explanation:
Commercial jazz can be found in a variety of places. Here are four examples:
- Nightclubs: Nightclubs and music venues, such as the Cotton Club in Harlem, were popular destinations for commercial jazz performances.
- Theatres: The Apollo Theater in Harlem was known for showcasing jazz acts during the 1920s.
- Recordings: Commercial jazz can be found on recordings, both physical and digital. Artists like Louis Armstrong and Duke Ellington have released jazz albums.
- Radio: Jazz music can be found on radio stations that specialize in the genre. Stations like Jazz FM cater to jazz enthusiasts.