Blizzard puts a ton of pop culture/music/gaming references into their games, it is not confirmation bias.
Are you going to tell me next that the blonde blood elf in Shattrath named Haris Pilton isn't a reference to the hotel heiress?
also
/headdeskWell first off, a symphony is not a song, so you may want to be more accurate when you're saying everything is a reference to one thing.