In 2004, under the alias John Rock, he began a successful collaboration with house duo Musikk with a number of #1 singles on the Danish Dance Chart.

Among the hits was a cover version of the Climie Fisher song "Love Changes (Everything)"; it peaked to #2 on the Danish Singles Chart.

In 2005, Nørgaard returned as a solo artist with the single "Popstar", which was written by Swedish singer Robyn.

That same year he released his second solo studio album Today is a Good Day (To Fall in Love).

In June 2011, he released "Fester Kun Med Mig Selv", reaching number 39 on the Danish Singles Chart.