With all of the extra curricular activities, and trash talking that the Gallagher brothers are constantly involved in, sometimes it’s hard to remember that these guys are still a pretty good live band. Fresh off of their current release of their Dig Out Your Soul album the band closed out the five day Electric Proms festival with an extended and epic version of their classic “Champagne Supernova” and a cover of their idols, The Beatles song “I Am The Walrus”. Check out the Oasis song above and The Beatles song after the jump.