Definition of jam session Jam session
jam ses•sion
We found 3 definitions of jam session from 3 different sources.
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What does jam session mean?
WordNet
Noun |
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| jam session - an impromptu jazz concert |
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Wiktionary 
Wikipedia 
- A jam session is when a band get together to play music without a prepared arrangement. Musicians sometimes use jam sessions to work on new material, and some songs are made by the band during the session. A jam session will often feature improvisation.
