i especially like the ones in bold. extra love for (!).

k-pop:

• # a - d : bigbang, block b, bts
• # e - j : exo, f(x), ikon
• # k - o : monsta x
• # p - t : shinee
• # u - # :

khh:

• # a - d : beenzino, bewhy, cjamm, code kunst, crush, dean, dynamic duo
• # e - j : epik high, eluphant, giriboy, g2, jayvito, jazzyfact
• # k - o : loco, mad clown, millic, miso, offonoff, olltii
• # p - t : peejay, primary, punchnello, slom, soriheda, swings
• # u - # : zion.t, 2xxx!

western:

• # a - d : a$ap rocky, ab-soul, anderson .paak, chance the rapper, childish gambino, disclosure, drake
• # e - j : earl sweatshirt, elaquent, flume, flying lotus, frank ocean, goldlink, the internet, isaiah rashad, j.cole, joey bada$$
• # k - o : kanye west, kaytranada, kendrick lamar(!), lupe fiasco, mellowhype, mos def, ofwgkta
• # p - t : pro era, schoolboy q, ta-ku, tame impala, tokimonsta, travi$ scott, tyler, the creator
• # u - # : the underachievers, the weeknd, xxyyxx

other:

• nujabes(!)
• shing02
• 10cm