Speaking of different laguage openings, I found it interesting that the DBZ movies all had different soundtracks throughout the English dub versions, and by 'different soundtrack' I mean they just literally had a mix of popular grunge and metal songs from the 80s/90s. But it had the odd epic moment:
The TV series also had very different soundtracks. The english dub featured a lot more electric and pop to create some of those epic scenes, whereas the original Japanese used more subtle and orchestrated background tracks which complement the voice-acting rather than overpowering it. But that's because the Japanese voice-acting is a lot better.
The one time during the Japanese version where they actually used a pop song was for Gohan's first SSJ2, and it's the best scene from any version in my opinion: