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jam session

/dʒæm ˈsɛʃən/ · jam ˈses·sion
noun
  1. An informal gathering of musicians to play music, especially improvised jazz or a similar genre. The jazz club hosted a weekly jam session, featuring local musicians who came to play and experiment with new sounds.
  2. A period of time spent working together to solve a problem or complete a task, often in an informal or collaborative setting. The team had a jam session to brainstorm ideas for the new project, and they came up with a innovative solution.
Did you know? The term 'jam session' is often associated with the legendary jam sessions of the 1950s and 1960s, where musicians like Miles Davis and John Coltrane would gather to play and experiment with new sounds, leading to the creation of some of the most iconic jazz music of all time.
Written by Lexi Wordsworth, Dictionary Editor 2 lookups Added Aug 5, 2026