All these artists have previously played at Groovin' the Moo - updated for 2009:

Airbourne
Amber Savage
Architecture in Helsinki
Art vs Science
Ash Grunwald
Astronomy Class
the Audreys
Augie March
Azzido da Bass
the Bamboos
Bass Kleph
Beats Workin'
the Black Keys
Blue King Brown
Buttah
the Camels
Children Collide
Christer
Clare Bowditch
Combat Wombat
Custom Kings
the Darts
De La Soul
Diafrix
Dirty Laundry
the Drones
Mark Dynamix
Mia Dyson
End of Fashion
Evermore
the Exploders
Faker
the Fumes
the Galvatrons
Gomez
Good Buddha
the Grates
Grinspoon
Gyroscope
Hercules in NY
the Herd
Here Come the Birds
Hermitude
Hilltop Hoods
Horrorshow
Horsell Common
Infusion
Jason Liddy and the Skeleton Horse
John Butler Trio
Katalyst
Karnivool
Kid Confucius
Last Kinection
Lefta Centa
Like Alaska
Little Birdy
Little Red
the Living End
Local Knowledge
Lover
Macromantics
Mammal
the Mess Hall
Miami Horror
the Middle East
Midnight Juggernauts
Mista Savona
the Morning After Girls
Muscles
My Own Enemy
Neon
Nextmen
Okkervil River
the Pictures
Pitch Black
the Porkers
Potbelleez
the Presets
Ratatat
Red Book Comics
Resin Dogs Sound System
Sacred Stereos
silverchair
Shihad
Sneaky Sound System
Snowman
Spiderbait
Tame Impala
That 1 Guy
the Third Estate
the Tongue
Trial Kennedy
the Truants
True Live
the Twelves
Unkle Ho
Urthboy
Van She
the Vasco Era
Xavier Rudd
You Am I
Youth Group
2 Dogs DJs