At the Dynamo Metalfest you can enjoy 2 days filled with real metal at the Ijssportcentrum. The lineup includes the names of Arch Enemy, Airbourne and Carcass. The festival runs Friday from 16:00 till 23:00 and Saturday from 12:00 till 23:00. Tickets are available online for € 38,50, possibly you can get second hand tickets at sites like ticketswap.nl or marktplaats.nl.