JAZZ

1. Previous styles

1.1. Spirituals

1.2. Gospels

1.3. Blues

1.4. Ragtime

2. Instruments

2.1. Saxo

2.2. Trumpet

2.3. Trombone

2.4. Drums

2.5. Clarinet

2.6. Piano

2.7. Others...

3. Cultural background

3.1. European inmigrants

3.2. African Americans

4. Improvisations

4.1. Improvisation is a key aspect of jazz. Basically, improvisation is composing on the spot, in which a singer or instrumentalist invents solo melodies and lines over top of a chord progression played by rhythm section instruments

5. Rhythm

5.1. Syncopations

5.2. Contratempo

5.3. Swing

6. Musical ensembles

6.1. Big bands

6.2. Combos