I've figured out how to disable episodic music from playing in IV, without disabling it in the episodes themselves. Basically, e1/2_radio.xml applies to all games, while e1/2_audio.xml applies only to the episode it belongs to. The solution is to just move all the data lines from _radio.xml over to _audio.xml (with the exception of <noloadingtune />)   Download   (Bonus: it also disables the Funkmaster Flex segment from playing on The Beat 102.7 as it does not fit in TL