Annie Patterson and Peter Blood (Mt Toby, MA, Friends Meeting) offer these concerts weekly. Grab a copy of Rise Up Singing and/or Rise Again if you have them so you can sing along. Annie gives out the book and page number for each song. You can put requests in the "chat" feed.
Click here to join the sing-along on Facebook. (You don't need to have a Facebook account!)
Additional offerings from Annie and Peter: