Update [2.5.0.0]:

Short Information for all Users who ask:
Thanks for your huge Intrest in GMusic and WorldGuard-Music! There will be a Update soon which should help you out
Thanks for your Feedback and Support!

• [+] Added 1.16.4 Support!!
• [>] Improved Performance thanks to parallel Search in Lists!
  
• [>] Changed some internal Parameter so some things should be more clearly!
  
• [>] Changed some Song-Loading things so that Songs which properly have some Bugs don't get loaded anymore and dont should throw Error!
  
• [!] Fixed some Problems with Songs not loading correctly when there are missing Parts in the Structure! (Thanks to @Sty13 for the Report!)
  
• [!] Fixed a Bug where a Error occours sometimes if you click a JukeBox-Block with a Block / Item (Thanks to @RavenskyPaul for the Report!)