I have a similar thing in terms of music. While I haven't actually created any electronic music, I have created piano music and manuscripts and I find that while I'm playing and improvising the tunes I make sound really good and most of the time others agree. But when I actually put effort in a song, I become too "concerned" and "analytical" about how it sounds and it causes the song to lose the jazz and emotion that it had before. Basically here's the problem
Without thought I can be creative, but it lacks structure and incomplete
With planning I can't be creative, but it's structured and complete.