While analysts had expected that United States sales of Guitar Hero 5 and The Beatles : Rock Band would be high-close to or exceeding one million units each in the first month of their release-sales only reached roughly half of those projections .
However , though analysis had expected that United States sales of Guitar Hero 5 and The Beatles : Rock Band to be high , close to or exceeding one million units each in the first month of their release , the resulting sales numbers were lower by nearly half of the projections .