improvise on

improvise on something

[for a musician] to create a new piece of music on an existing musical theme. For an encore, the organist improvised on "Mary Had a Little Lamb." She chose to improvise on an old folk theme.

Common Names:

Name	Pronounced	Usage
Emina	-	Bosnian
Dagon	-	Near Eastern Mythology
Reene	-	English (Rare)
Erasmos	-	Ancient Greek
Lemoine	le-MOIN	English (Rare)
Ahenobarbus	-	Ancient Roman