"If you should pop into the bar called "Nobody Writes to the Colonel" on College Street West on Wednesday nights, you might think you've happened upon a packed rock concert. Almost, but in this case the audience are also the performers. Together, they make up "choir-choir-choir"--an unconventional choral group started by Nobu Adilman and Daveed Goldman. It's only one year old, but has already attracted 1,500 rotating members... so many that there's now a "second shift" on Sundays. Broadcaster Lily Ames dropped by to hear them sing their song."