What are three popular jazz musicians of the 1920s?

1. Louis Armstrong (1901-1971): Armstrong was a trumpeter and singer who was one of the most influential figures in jazz history. He was known for his powerful voice, improvisational skills, and charismatic stage presence. Some of his most famous songs include "What a Wonderful World," "Hello, Dolly!" and "La Vie En Rose."

2. Duke Ellington (1899-1974): Ellington was a pianist, composer, and bandleader who was one of the most important figures in jazz history. He was known for his sophisticated compositions and arrangements, as well as his innovative use of the saxophone. Some of his most famous songs include "It Don't Mean a Thing (If It Ain't Got That Swing)," "Take the 'A' Train," and "Sophisticated Lady."

3. Bix Beiderbecke (1903-1931): Beiderbecke was a cornetist and pianist who was one of the most talented and influential jazz musicians of his generation. He was known for his lyrical, romantic playing style and his ability to improvise complex melodies. Some of his most famous songs include "In a Mist," "Singin' the Blues," and "Davenport Blues."