Karn started learning classical piano at the age of 5 years old at Yamaha music school and studied up to Grade 6 level. He then entered Silapakorn University, and graduated in Music, major Jazz. He has performed in various concerts and used to be the perform with Tangmo the Voice. These days, he is part of the band Cloudy Guy. When he was in university, he got the opportunity to go teach at a school in the countryside. He remembers being very happy to see the kids learning music and having fun in the process. After that he started to look for a place where he could teach underprivileged children and found out about the Paintbrush Foundation. Karn says he is glad to be able to see the kids smiles and hear their laughters again.