During the time Thein was in Propaganda they recorded and released the single "Dr. Mabuse" . The same year the single came out, 1984 that was, Thein was asked to leave the band.
After Propaganda he formed the band Kino (3) with whom he released the single "Room in the Heart" in 1986. He furthermore worked with Boy George and Glen Matlock.
He died of cancer on May 30, 2013 at the age of 59.