The New York Times writes that Google will showcase the service at its I/O developer conference in San Francisco later today (Tuesday) and, so far, has no deals with labels or publishers in place.

The Google Music service is expected to debut in invite-only beta today and offer users free storage space for up to 20,000 songs (with storage calculated on number of tracks rather than GBs). It will then open to US consumers in a matter of weeks.

Users ...