It was presented by John Barrowman. Unfortunately, he couldn't sing due to a sore throat. After the overture and introductions by John B, the opening number was sung by Peter Grant and was a rendering of Walk Away. Which actually reminded me more of the tone of the original version as sung at the Eurovision of 1964, but in English.
Funny thing is that, John refers here to the story about Matt Snr's grandson putting all his grandpa's CDs to the front of the rack in the M section in the CD shops.
Listen for this at around 7mins 55 secs. 
