Complex sentence: CBL has always been open for collaboration with other composers and musicians; for instance, they teamed up with Magnus Birgersson (Solar Fields) in 1999 to write the music for the Swedish dancer Olof Persson's performance "Fusion".
Split into simpler sentences: CBL has always been open for collaboration with other composers and musicians. For instance, they teamed up with Magnus Birgersson (Solar Fields) in 1999 to write the music for the Swedish dancer Olof Persson's performance "Fusion".