Aloft Hotels is hoping to discovered the best secret singers out there by installing waterproof recording booths in its showers. Guests staying at its locations in London, Brussels, Munich, and Kiev will be able to sing, record themselves and play back the results as they wash up. They will also be able to share them on social media. Marriott, which runs Aloft Hotels, has even teamed up with Universal Music Group to launch Project: Aloft Star. It will accept projects from unsigned bands and artists, which will then in turn be put to a public vote.