Just finished the Noel Hill concertina school at the Transfiguration Spiritual Center in northern Cincinnati, and it was overwhelming. More instruction, insight, and camaraderie than you could shake a bellows at, in a setting so peaceful and accommodating that there were absolutely no distractions from playing and learning. Wake up, eat, play, eat, play, eat, play, sleep. Repeat. Five intense and intensely valuable days for anyone interested in learning Anglo from a master. I was in completely over my head, but the shore was always nearby and lined with helping hands.
The same setting in Cincinnati is already locked down for next year's school, and I'm definitely planning to return. Can't recommend it highly enough.