Lao folk music, known as Lam, is extemporaneous singing accompanied by the khene.
From the en.wikipedia.org
Instead, he delivered a thoughtful, extemporaneous opening to an empty studio.
From the washingtonpost.com
His sermons at St. Scholastica were outstanding and were almost all extemporaneous.
From the post-gazette.com
Early solo dancing was composed mostly of extemporaneous jigging done by men.
From the en.wikipedia.org
To be sure, her skills at extemporaneous speaking leave much to be desired.
From the online.wsj.com
The talk seemed in some ways extemporaneous, but at the same time very well organized.
From the scienceblogs.com
Vergniaud made a brilliant extemporaneous reply, and the attack for the moment failed.
From the en.wikipedia.org
There's an extemporaneous nature to it, which keeps you kind of riveted.
From the sltrib.com
Prepares IV admixtures and extemporaneous parenteral products under aseptic conditions.
From the jobview.monster.com
More examples
Ad-lib: with little or no preparation or forethought; "his ad-lib comments showed poor judgment"; "an extemporaneous piano recital"; "an extemporary lecture"; "an extempore skit"; "an impromptu speech"; "offhand excuses"; "trying to sound offhanded and reassuring"; "an off-the-cuff toast"; "a ...
(extemporaneously) without prior preparation; "he spoke extemporaneously"
Improvisation is the practice of acting, singing, talking and reacting, of making and creating, in the moment and in response to the stimulus of one's immediate environment and inner feelings. ...
Without preparation or advanced thought; offhand
(adj) not planned ahead of time; impromptu; spontaneous
Composed, performed, or uttered on the spur of the moment; impromptu