Guild Wars 2

Hopefully this post is in the right place; I couldn’t figure out a better place to ask.

The rules say it’s okay to modify the song, record lyrics over the song, etc., but that it’s not okay to use a different song. What I need clarified is whether it’s okay to re-record the song with different instruments, or as an a capella version, so that has all the same notes but not necessarily the same sounds— or does the original recording itself have to be involved somehow?

I read all the contest rules and it didn’t seem to mention anything that could answer my question, so I’m hoping someone with the relevant authority will see this and respond. I don’t want to put a bunch of work into it only to find myself disqualified!

I had the same question, so I asked on Twitter.
Here’s the response:

https://twitter.com/GuildWars2/status/398162165062184960

Hm, I should have thought of checking Twitter. Many thanks!

You are very welcome!