Mouse Rat rules the charts

Mouse Rat are no joke, alright? They're all so dreamy.

Fictional Parks & Recreation band Mouse Rat have debuted on the US Billboard charts with The Awesome Album.

The set, released Aug. 27 via Universal Television/Dualtone Records, debuts at No. 2 on Comedy Albums, No. 11 on Heatseekers Albums and No. 17 on the all-genre Top Album Sales chart with 4,200 equivalent album units (4,100 in album sales) in the we…