A dark, gritty, cynical, dangerous cop show... That was a musical.
Critics laughed, and audiences shunned the series.
They were idiots. The fact of the matter is, this series was an amazing piece of writing, and the songs, more often than not, carried the weight and force of Shakespearian Soliloquies.
Here, as an example, is Rod McClarty performing a song that completely defines his character, and remakes how we'll view and understand him for the rest of the series: