Improve Jam session meaning in Urdu

Is there any meaning of the word jam session that needs an edit? Please click that meaning to rewrite it.

فل بدیہ نغمہ طرازی

Is there any meaning of the word jam session that needs to be removed from the list? Please click that meaning to mark it for deletion.

فل بدیہ نغمہ طرازی

Do you want to add a new meaning, definition, and a sentence of the word jam session? Please feel free to add.