The tech company sent out invites to US journalists last Friday for an event in Los Angeles on November 16 at 2PM PST.

The invites purport to come from Spinal Tap guitarist Nigel Tufnel and have the headline "These Go To Eleven" - a reference to the guitarist's legendary "one louder" amps.

Google has yet to reveal the purpose of the event but it is widely believed to be the long-awaited launch of Google Music, a service that will apparently ...