Complex sentence: Several of the recordings were conceptually arranged (including specially made recordings of Norbert Jakszyk recorded in Auschwitz-Birkenau) while the music tracks featured Gavin Harrison and two of Jakko's former Level 42 colleagues, Mark King and Gary Barnacle.
Split into simpler sentences: Several of the recordings were conceptually arranged (including specially made recordings of Norbert Jakszyk recorded in Auschwitz-Birkenau). The music tracks featured Gavin Harrison and two of Jakko's former Level 42 colleagues, Mark King and Gary Barnacle.