Liam Gallagher has opened up on how he once drove a combine harvester to spy on The Stone Roses at a countryside recording studio.The Oasis singer took the machine on a mile-long ride in the middle of the night while the band were recording ‘Definitely Maybe’ in Monmouthshire.After learning that the Roses were recording at the nearby Rockfield Studios, Liam and bandmate Bonehead headed out in a bid to catch a glimpse of their Manchester rivals.Liam said: “We went to have a fucking little snoop.