Audio for DGNC is Up

If you only have time for two: Make it these two

Voddie Baucham - The Supremacy of Christ in Truth for a Postmodern World
and
Tim Keller - The Supremacy of Christ and the Gospel in a Postmodern World

If you can fit in a third make it this one:
John Piper - The Supremacy of Christ and Joy in a Postmodern World

Then the others are good too. But the first two are key...