Naturally 7 is a vocal “band” where every member plays an instrument with their mouth: mouth beat box, vocal bass, even an aural electric guitar. The amazing thing is that after a while, you forget that they have no instruments and you start getting into the songs.
Take a look at this impromptu performance of Phil Collins’ “In the air tonight” in the Paris subway:
For some reason, they have yet to make it big in the states, but they already have a couple of hits in Europe and are signed to a German record company.
Songwriting-wise, all they need is a multi-track recorder and something to write the lyrics. Right? Well, technically, they are playing vocal harmonies, which require some planning to work well. Basically, every band member plays one note in a chord, thereby producing the same effect as a keyboard or guitar.