It remains the biggest-selling album in Ireland over twenty years since it was first released – but how well do you really know David Gray's 'White Ladder'?

Did you play 'Babylon' to death, could hum 'This Year's Love' backwards and know every lyric of every song on the album? Well, now's the time to prove it.

The past weekend should have seen David Gray playing a huge gig at Irish Independent Park in Cork – but unfortunately his tour celebrating 20 years of 'White Ladder' has been postponed until next year.

In the meantime, take our 'White Ladder' quiz to test your true fandom - and to make it even tougher, you have 90 seconds to answer every question...