Hear This: Paul McCartney wrote a simply rotten “Christmastime” In Hear This , The A.V. Club writers sing the praises of songs they know well. This week: Our very own holiday HateSongs . Paul McCartney, “Wonderful Christmastime” (1979) For two guys who wrote a lot of great music , John Lennon and Paul McCartney could churn out some awful concoctions separately. The prevailing wisdom is that Lennon without McCartney had too much bite; McCartney without Le..