In which version of Heroes is the music (battle, town, overworld, victory, defeat) the best?

I like the music in Heroes of Might and Magic V because it's not too intrusive. By the way, Heroes of Might and Magic IV also had some good tracks. Honestly, I don't remember much about the music in Heroes of Might and Magic III. Everything is relative – I recently got really into Diablo, played it for a couple of months until I completed all the levels, and the music there could drive you crazy in just five minutes. It's completely out of place, a mechanical, monotonous drone.