Supermarket giant moves further into digital music market
Former Genesis man's LP isn't out until next Monday (October 10)
Singer reveals that country legend was his first choice for iconic single
The album is made up of orchestral reworkings of the former Genesis man's old songs
Singer's cover of The Magnetic Fields' 'The Book of Love' will be released on January 30
He will now play the O2 Arena on March 27 and 28
David Bowie, Neil Young, Bon Iver songs also feature on the album
'Scratch My Back' is expected in early 2010
Singer dedicates 'Biko' to Natalia Estemirova at WOMAD
Mongrel also join three day bash line-up