While analysts had expected that United States sales of `` Guitar Hero 5 '' and '' '' 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 '' '' 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 .