The act of creating music that has not been predetermined This term often refers specifically to the act of playing new melodic lines as part of a solo
In musical performance, the spontaneous invention of music for voice or instrument
The act or art of composing and rendering music, poetry, and the like, extemporaneously; as, improvisation on the organ
akin to ad-lib, but usually refers to the spontaneous making up an entire bit or the continual comedic conversing with audience members
Spontaneous Composition The performance of music that is composed on the spur-of-the moment by the performer, usually as a solo, or cadenza Also used extensively in jazz
{i} act of improvising; something which is done without preparation, something improvised (i.e. speech or musical performance)
music that involves some performer freedom during performance within a certain set of parameters, in which the performer draws upon techniques and intuition based on previous experience
an unplanned expedient a creation spoken or written or composed extemporaneously (without prior preparation)
Creation of a musical composition while it is being performed, seen in Baroque ornamentation, cadenzas of concertos, jazz, and some non-Western musics See also embellishment
Spontanious Composition The performance of music that is composed on the spur-of-the moment by the performer, usually as a solo, or cadenza Also used extensively in jazz