These are the kind of neighbours you'd want to fire into space! Initially they get on fine, then a chirping songbird arrives and encourages one to buy an harmonica. Unwittingly, he ends up blowing into it whilst asleep one night to the chagrin of the other and next thing we know, it's all out musical war! His neighbour buys an even bigger mouth organ then there's a violin, a double bass, a trumpet...
