On Tuesday Tiësto releases an exclusive compilation album, DANCE (RED), SAVE LIVES, featuring artists like Calvin Harris, Avicii and Diplo.
The album is designed to mobilise dance music fans in the fight against AIDS - and raise vital funds ahead of World AIDS Day.
More information here.
One of the stand-out tracks is a collaboration between Tiësto and Bono on a remix of Pride (In The Name Of Love) - take a listen and let us know what you think.