His breakthrough came with the commercial success of the single "Turn the Lights Off", released on 1 January 2010, receiving platinum status for selling 30,000 copies in early August 2010.
Kato released his first album, Discolized, on 1 March 2010 on the Danish label Disco:Wax that includes collaborations with Jon (Jon Nørgaard), Outlandish, Dr. Alban, Terri B, U$O and Johnson (Marc Johnson).
It was a big hit for Kato reaching #2 on Tracklisten, the official Danish Singles Chart.
The album's third single, "Desert Walk", a collaboration with rap group Outlandish sold 15,000 copies making it to #4 in Denmark.
On 27 December Kato released the single "Sjus" featuring Ida Corr, Camille Jones and Johnson.