Now that Oasis have been written into British rock history alongside The Beatles, The Sex Pistols and all those other elder statesmen they so publicly admired and absorbed, 1984's Definitely Maybe survives as a revered, although sometimes distant, memory. These days when Oasis play Glastonbury, there are waves of excitement but no huge hullabaloo about their perfunctory parade of greatest hits, and their albums have ceased to generate the expectation, the queues around the block in Oxford Street, that was once the norm.