As an Technical young man worked in theaters, recording studio and for live television transmission, it was 1966 and the recording studio did also ""zaalversterking"", we call it now PA. GTB (see wikipedia GTB Bakker) Worked in Holland, Belgian and Germany. It was a time of hard working, no much sleep and a lot of fun.a . at the age of 32 I started a Carrier as an instrument technician at an chemical plant, did a lot of study and ended the job at the age of 65 years. in between i did sound for big bands and made a lot of recording work in my own company from the seventies named Perfect Sound and in 1996 changed it to Festival Solutions.now at the age of 76, i work for friends and good people working for youth and other things for a better world.