There's been two in the past, most recently in 2011. The 2011 one was kind of poorly designed which I guess means there's an incentive to do it again and do it right this time.

Resolves on announcement. Teasers only count if they say the name of the band.

Must be a physical pinball machine, no virtual pinball. But P3/Multimorphic counts. If you don't know what that is don't worry about it.