Found this channel that's breaking down each group leading up to the start of the WC. They're doing two at a time so this is C and D - Enjoy!
Denmark always has an official song for a big tournament: The most famous from the past : There is also a Danish TV spot, which this time is based on the Danish flag, that is the oldest national flag in the world and according to legend fell from the sky in the year 1219 during a battle in Estonia as a sign of victory from God.