Career
He was signed to Universal Records and his debut single is "Mit et og alt". In August 2012, Mathias created the band Short End with friends from high school. In 2011, he auditioned for the first season 2011-2012 of the Danish version of The Voice called Voice – Danmarks største stemme (meaning the Voice - Denmark"s best voice) when he sang "Use Somebody" from Kings of Leon with two of the four judges, namely Lene Nystrøm and Steen Jørgensen hitting their "I Want You" buttons.
The other two judges Sharin Foo and L.O.C. didn"t turn their chairs.
Pachler chose to become part of the Lene Nystrøm team The audition was broadcast on November 26, 2011, the first airing day of the show.
In the Battle round, he was confronted with fellow Lene Nystrøm team competitor Henriette Andersen. They both sang "Secretariat the Fire to the Third Bar" from Snow Patrol and Pachler moved to the next round.
In the second live show, he sang "Fever" from Peggy Lee and in the fourth live show "I Promised Myself" from Nick Kamen and in the fifth live show "Ayo Technology from 50 Cent reaching the finals.
He signed a record deal with Universal Music Denmark in February 2012 releasing his debut single "Mit et og alt" that made it to the Danish Chart on the week of its release.