The Daily Post has two double passes to Rotorua Rocks for Christchurch to give away.
If you would like to win one of the passes, email firstname.lastname@example.org with your name, contact details and tell us which city the rock concert is raising money for. Enter the competition by 5pm Thursday June 2.
Rotorua Rocks for Christchurch is at the Energy Events Centre on June 4.
The rock concert is raising money for the New Zealand Red Cross Christchurch Earthquake Appeal.
The line-up for the concert includes Luger Boa, Black River Drive, Sonic Altar and Rotorua bands Harvest, M.I.S.T and Vicious Minnows.
Tickets are $25 per person and will be available at that price until Friday, June 3.
Door sales will be available on the day but will cost $35. Tickets are available from Ticketmaster.