The fact is that facebook is rapidly hitting the saturation point that doomed myspace as being not being effective for bands. Some say it’s already happened. Don’t think that just because you are in a band that you’re seeing more event invites to shows, releases, tours, or videos than the average music fans. Sending out a monthly newsletter cuts through the clutter of social networks and lands in fan’s inboxes. If you don’t feel like your band has enough going on to send out a monthly newsletter make it quarterly. If quarterly seems to often it’s time to take an honest and hard look at what your band is doing.