The Halo 4 Original Soundtrack has set the record as the highest-charting video game soundtrack ever – and it isn’t available until tomorrow.

Microsoft’s Halo video game franchise is one of the most popular in the world, having sold over 43 million copies across eight games and raking in almost $3 billion in revenue since 2001.

The OST album for the latest Halo iteration – recorded at Abbey Road Studios on 7Hz Productions, by award-winning producer and composer Neil Davidge ...