What does Jam Session stand for?

Jam Session stands for "An ad-hoc meeting where whoever shows up joins the group to play music."

How to abbreviate "An ad-hoc meeting where whoever shows up joins the group to play music."?

"An ad-hoc meeting where whoever shows up joins the group to play music." can be abbreviated as Jam Session

What is the meaning of Jam Session abbreviation?

The meaning of Jam Session abbreviation is "An ad-hoc meeting where whoever shows up joins the group to play music."

What does Jam Session mean?

Jam Session as abbreviation means "An ad-hoc meeting where whoever shows up joins the group to play music."