Reddit-core: Led Zeppelin, Queen, Gorrilaz, Deadmau5, Daft Punk, The Clash, Sex Pistols, Beatles
Tumblr-core: MGMT, Foster the People, Modest Mouse, Pavement, NMH, Nirvana, Two Door Cinema Club, Bloc Party, Arctic Monkeys, The Kooks, Bon Iver, The Shins, Black Keys, White Stripes, Blur, other "indie pop" radio trash
/mu/core: NMH, My Bloody Valentine, Radiohead, Kanye West, Animal Collective, Lil B The Based God
Facebookcore: Lil Wayne, Skrillex, Odd Future, Drake, Dadrock, Linkin Park, Blink-182, Nickelback
Why is the internet filled with so many plebians? Every corner of the internet seems to lack sophisticated music taste. We must lead a reform. Virtually all of these acts (save NMH and early AnCo) are disgraces to modern music and deserved to be burnt at a stake.