Deciding on a genre

deciding on a genre and artists who follow a genre

ALTERNATIVE
all time low
kids in glass houses
the killers
my chemical romance POP
kylie monogue
miley cyrus
the jonas brothers
lady gaga
beyonce
rihannha
kesha
justin beiber
shakiraHIP HOP
akon
eminem
lil wayne INDIE
kings of leon
30H3
R&B
jay-z
eminem
rihannah
neyonelly

from looking at the names of some of these artists who have a genre i have a clearer idea of what sort of genre i am going to focus my magazine on. i was thinking somehwere along the lines of pop however i am considering so of the other genres.