How do you bring music lovers back to live concerts when they have a multitude of technological choices available to them in the 21st century? One solution is to turn concert halls into architectural wonders that demand to be experienced. Sara Fishko reports on the new Frederick P. Rose Hall for Jazz at Lincoln Center that tries to give an ephemeral medium a permanent home and Frank Gehry's Disney Hall in downtown Los Angeles, where some complain the acoustics are too good.