We know that Google's been thinking about launching a music service, and now the crazy kids at Billboard are reporting details of a proposal that the search giant's been circulating among the major labels. Apparently the company is pursuing a sort of hybrid digital download store / cloud-based locker service, with the store offering individual tracks or albums, while the "locker" would scan the user's hard drive for music files and, upon finding tracks that Google is licensed to offer, allow the user access to them on the cloud (presumably you won't be actually uploading your
