Hasan Bitmez born in 1961 Giresun/Turkey, starts dealing with music in Germany in the 1980s.
He plays drums for the Turkish Rock group around the years of 1980_1984.
They establish in 1984 the German rock group Tequilla Sunrise and this group goes on until the year 1987.
He establishes Studio Metropol in İstanbul after the year 1987.
He has served as a Tonmeister on at least 5000 album.And he stil goes on doing this job.