Three Girl Rhumba

Think of a number, divide it by two, something is nothing, nothing is nothing. Open a box, tear off the lid, then think of a number, don't think of an answer. Open your eyes, think of a number, don't get swept under, a number's a number A chance encounter you want to avoid, the inevitable, so you do, oh yes you do the impossible Now you ain't got a number, you just want to rhumba, and there ain't no way you're gonna go under Go under