Complex sentence: Isberg soon left, but Åkerfeldt decided to remain in the band and keep it in activity, for this he contacted guitarist Peter Lindgren, bassist Johan DeFarfalla, and drummer Anders Nordin.
Split into simpler sentences: Isberg soon left, but Åkerfeldt decided to remain in the band and keep it in activity. For this he contacted guitarist Peter Lindgren, bassist Johan DeFarfalla, and drummer Anders Nordin.