It may be a free world and long may it remain so, however that does not preclude the use of manners, it fact it relies on it. What right does one individual have to interject rank drumming into someone elses song, no question of my being asked if I minded, no question of other people present being asked when he interfered with their playing. Does this one individual have greater rights than the rest of us. As for learning, this is Whitby, we've just had a folk festival at which workshops were available for anyone at various levels.
Finally guest at least have the courage of your convictions to put your name to the thread, otherwise kindly mind your own business