Jonathan Estep (of the group Revival Ridge) was invited to play on the main stage with Roy Lewis and the Lewis family at Festival of the Bluegrass, Lexington, KY.  They played "Old Chunk of Coal" and had a great time.  To see a picture go to www.revivalridge.com and there's a picture on the main page.  To see a power point show of the event go to http://www.heraldleaderphoto.com/multimedia/festival/bluegrass07.html