The release of 20 free downloadable Rock Band 2 tracks has suffered a delay.
The tunes (which you can see here but might not recognise) were supposed to be available on Tuesday for US gamers, and perhaps for those of you with an imported copy of the game.
For its part developer Harmonix has apologised, saying that it's "working our butts off to get the content out to you" and that it's hopeful of resolving the delay in the next day or so.
"We have hit an unexpected delay with getting the content online with Microsoft and are working diligently with them to get that resolved," said Harmonix community development manager Sean Baptiste on the game's forums.
"We have suspended sending out the token codes until the content becomes available. Sending out the codes before the content is live will just result in more confusion.
"We hope to have this resolved in the next 24 hours and apologise profusely for the delay," he added. "We're also working with Sony to get the content up on PS3 and the codes out. More on that as information becomes available."
The game's due for release in the UK on November 21. It has an Xbox 360 "exclusive launch window" and will set you back £49.99, with standalone Rock Band 2 hardware set to follow at the beginning of December.