It is what has kept them going despite all the hardships they have gone through here! I am trying to learn to play the bodhrán, the traditional Irish drum. Maybe one day I can partake in the ceol agus craic!
Yes! A "session" can be held indoors, which is essential during the Irish winter. There is not a lot of sun in Ireland, so people must find fun things to do indoors. Imagine sitting around a cozy fire playing music together -- that's what a session is at its core!