To the latter Felix exhibited his powers by an extemporisation on Bach's motets, which called forth the musician's astonished praise.    From Wordnik.com.  [Story-Lives of Great Musicians] Reference

Ferdinand Ries, another of his pupils, has declared that no other artist that he ever heard could approach Beethoven in extemporisation.    From Wordnik.com.  [Story-Lives of Great Musicians] Reference

Gong's 12 minutes of prog-jazz extemporisation doesn't even proffer a mythology, just a fractured glimpse into somebody's psychedelic fantasy.    From Wordnik.com.  [Readers recommend fantasy songs: the results] Reference

The capacity for learning music had begun very early, but his wonderful gift of extemporisation, which gave his genius wings as well as voice, had only lately revealed itself at the time at which our story opens.    From Wordnik.com.  [Story-Lives of Great Musicians] Reference

Count Waldstein -- but his marvellous command of the pianoforte, and, more especially, his powers of extemporisation, had electrified his hearers to such a degree as to secure for him a place in the front rank of performers of the day.    From Wordnik.com.  [Story-Lives of Great Musicians] Reference

But their manifestations of delight were far more pronounced when Felix, taking one of the airs which he had just played as a theme for extemporisation, exhibited in a most charming fashion, and with true musicianly feeling, the capacities of the subject for varied treatment.    From Wordnik.com.  [Story-Lives of Great Musicians] Reference

What various advantages would or might have resulted from a prolongation of such an extemporisation?.    From Wordnik.com.  [Ulysses] Reference

He enlarged upon her talent for extemporisation, which did not resemble any thing of that description known in Italy.    From Wordnik.com.  [Corinne, Volume 1 (of 2) Or Italy] Reference

And only an elder statesman could treat the first movement cadenza as his own internal extemporisation of "the story so far".    From Wordnik.com.  [The Independent - Frontpage RSS Feed] Reference

“Why, it was a mere extemporisation,” said Father Payne; “a phrase suggested a phrase, a word evoked a lot of other words ” there was no real connection of thought.    From Wordnik.com.  [Father Payne]

I was however up to a little extemporisation.    From Wordnik.com.  [British Blogs] Reference