So says this. Owner Viacom has stumped up the money based on bonus terms from the acquisition contract.

"In addition, to the extent financial results exceed specific contractual targets against a defined gross profit metric through 2008, former Harmonix shareholders will be eligible for incremental earn-out payments with respect to the years ended December 31, 2007 and December 31, 2008," said the clause.

Nice work if you can get it.