"It’s good to have in the studio because the vocoder is a really useful item sometimes; it’s a way of arranging vocals without actually having to sing them, and it’s also a way of hearing what certain harmonies might sound like without having to do them. So from that point of view it’s a really useful piece of equipment. I would use it as a songwriting tool, absolutely," Horn says about his Roland VP-770, in [this interview](http://www.roland.co.uk/blog/trevor-horn/).more
A hardware vocoder can be a very fun and creative way to get ideas out as a non singer and still include vocals in your song. Its a very transformative vocoder. I will always keep this thing close by.