Complex sentence: He performed his first live gig at the Tresor Club in Berlin, and soon thereafter got in contact with Pacou and Sender Berlin, eventually releasing his first track on Proton Records in 1999.
Split into simpler sentences: He performed his first live gig at the Tresor Club in Berlin. He got in contact with Pacou and Sender Berlin and it did not take much time to release his first track on Proton Records in 1999.