"It was all highly improvised," an official said.

The jarabe is traditionally performed with dancers, and in its traditional form constituted a highly improvised choreographic tradition.

Praxis combined elements of different musical genres such as funk, jazz, hip-hop and heavy metal into highly improvised music.

She described the making of the film, which was highly improvised, as "constant laughing and jokes."

Unlike in the previous hiatus, the club were kept running, albeit on a highly improvised basis.

Although the film often seems to be highly improvised, every word of dialogue was written by Eustache.

He added that principal photography was highly improvised, with the script only loosely being adhered to.

But her hard-edged blues sensibility owed something to Dinah Washington, while her highly improvised phrasing came from horn players like Sonny Stitt.

The album is an important example of highly improvised free jazz, which was Coltrane's principal interest in the latter part of his career.

"Sick Mirrors", a highly improvised live song of that era, was never given a proper studio release.