Complex sentence: However, in the Lake District, Clive faces a difficult moral decision himself, and walks away from a potentially dangerous situation he could have helped with, because his elusive melody, the crucial notes, have arisen and he has to get them down.
Split into simpler sentences: However, in the Lake District, Clive faces a difficult moral decision himself. He chooses to walk away from a potentially dangerous situation he could have helped with, because his elusive melody, the crucial notes, have arisen and he has to get them down.