Impromptu music jams occur nightly on the saloon porches in the summer, and almost every week in the winter (inside, of course).
en.wikipedia.org In a siege situation, old men and women could serve as impromptu peltasts.
en.wikipedia.org It has a very interactive approach to its meetings, focusing on the four main disciplines of reading, prepared speaking, debating, and impromptu speaking.
en.wikipedia.org Live and televised appearances in major concert halls and impromptu performances in hospitals, orphanages, town squares and government palaces reach millions of people each year.
en.wikipedia.org Bass, seizing the opportunity, immediately plays an impromptu piece, capturing the young girl's attention.
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