Currently $40 million ahead of Black Ops.
Guitar Hero III, GTA San Andreas and Modern Warfare 2 have also sold lots.
Filed trademark application suggests we'll be seeing a collection of 'modern' songs.
Expect lots more titles at retail and increased DLC.
Fourth week at the top since the energetic Wii game launched 14 weeks ago.
Songs including Purple Haze and Foxy Lady and a Jimi Hendrix avatar.
It's a $45 billion sector of the market that no company can ignore says Kotick.
The game's more than just guitars - other instruments and vocals planned.
The Answer's track "Never Too Late" selected for inclusion in secretive title.
Activision outlines product pipeline following the publication of its latest financials.
DS sells 2.47 million. Wii sells 1.35 million. PS3 falls further behind.