free jazz
US /friː ˈdʒæz/
UK /friː ˈdʒæz/

1.
free jazz
an improvised style of jazz characterized by the absence of a regular beat or melodic and harmonic structure.
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Ornette Coleman was a pioneer of free jazz.
Ornette Coleman foi um pioneiro do free jazz.
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The band experimented with elements of free jazz in their latest album.
A banda experimentou elementos de free jazz em seu último álbum.