As far as I'm concerned, the essentials of jazz are: melodic improvisation, melodic invention, swing, and instrumental personality.
-- Mose Allison
   
Mose Allison   Name:
Mose Allison
Type:
Musician
Nationality:
American
Birth:
November 11, 1927
https://www.nutquote.com/quote/Mose_Allison