If you like any of these artists/bands you're a hipster:

The Velvet Underground
Jeff Buckley
Tom Waits
Miles Davis
Bob Dylan
Leonard Cohen
Bjork
Isis
The White Stripes
John Zorn
Brian Eno
Arcade Fire
Refused
Patti Smith
Wu-Tang Clan
David Bowie
The Magnetic Fields
Neutral Milk Hotel
Boris
Godspeed You! Black Emperor
Opeth
Mastodon
Dead Can Dance
Pavement
The Stooges
PJ Harvey
Ulver
Burzum
Kyuss
Sunn O)))
Merzbow
Nick Drake
Melvins
My Bloody Valentine
Swans
The National
The Flaming Lips
Radiohead
Animal Collective
Sonic Youth
Nick Cave and the Bad Seeds
Sufjan Stevens
Sigur Ros
Electric Wizard
Johnny Cash
Joy Division
Belle and Sebastian
Interpol
Talking Heads
The Smiths
Neurosis
Neil Young
Beck
Tool