While 5 entered the charts at number one, the much-hyped Beatles: could only manage a debut at number four - despite which Viacom are pleased with early sales.

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Viacom do of course own MTV, who in turn control - execs stating that initial of the heavily licensed game have beaten expectations.

"It's been terrific. The sales have exceeded our internal expectations. In the first week we've sold about 25% of our inventory, and we've had tremendous excitement around this game. The reviews have been incredible... It really is a work of art. The game delivers in all respects and we think it's going to have legs," beamed Viacom CEO Philippe Dauman, according to Industry Gamers.

Dauman added that even the top-end, 250 USD instrument set is selling well, the exec predicting that stocks will be exhausted in November.

By Luke Guttridge