My custom Songs dont work

[Major4X4]

when i start the game the songs preview perfectly and it goes to the tuning screen to tune for the song even the authentic tones work but when i try to play the song it locks up and i have to force close it please help

 

also i already downloaded the software to see if any was corrupted and none of them were 

[Wepeel]

Did you follow the tutorial?

 

http://customsforge.com/topic/901-how-to-use-custom-dlcs-in-rs2014/

 

You need the .dll file (Windows only) or RSInjector (Mac only) and you need to purchase Cherub Rock (official DLC).