Orchestration for an underground symphony

Worms are to sing pianissimo (They may hum if they don't know the words). Rutabagas will toot in syncopation To the basic beat of spuds. Onions will be restrained (The audience needn't be moved to tears). Crickets, of course, will handle Harmony and rhythm. Slugs, obviously, will be Responsible for all glissandoes. The moles, as usual, Will sing deep bass.