I’m talking with my friend @wafanasieff on the new episode of #DeepHiddenMeaningRadio. He tells me how he and @MariahCarey wrote All I Want For Christmas Is You, and we discuss his other work with Mariah, Celine Dion and many more. Don’t miss 60 minutes of fascinating stories on songwriting - Saturday at 6am LA / 9am NYC / 2pm UK on @applemusic