What's happening? Idioms: Jam session martin 17 December, 2013 Example sentence: "Daryl and John got together in the studio for a jam session. They were thinking up ideas for their new album." Embed this graphic on your site: Kaplan International English Click the link for the full music idioms illustration! author: martin (317 Posts) แชร์ author: martin (317 Posts) View the discussion thread.