For 10 points, name this recently-defunct band fronted by Liam and Noel Gallagher, whose songs include "Supersonic" and "Wonderwall."
This band's song "Step Out" was relegated to a b-side when Stevie Wonder demanded 10% royalties due to its resemblance to "Uptight." This group sang that "Sally can wait, she knows it's too late" in a John Osborne inspired song. This group repeatedly asked "Where were you when we were getting high" in a song which inspired the name of a structure that seems to violate the Chandrasekhar limit. This band sang "Don't Look Back in Anger" and "Champagne Supernova" as part of the "Battle of Britpop" against rival group Blur.  For 10 points, name this recently-defunct band fronted by Liam and Noel Gallagher, whose songs include "Supersonic" and "Wonderwall."
This band's song "Step Out" was relegated to a b-side when Stevie Wonder demanded 10% royalties due to its resemblance to "Uptight."
Oasis