Complex sentence: Gábor Bódy, fans and western artists, journalists transmitted VHK's concert videos to West-Berlin, and German TV channels started to broadcast VHK concert videos that started to build a growing fan-base in Germany.
Split into simpler sentences: Gábor Bódy, fans and western artists, journalists transmitted VHK's concert videos to West-Berlin, and German TV channels started to broadcast. It started to build a growing fan-base in Germany.