The opening guitar chords and lyrics of “Wonderwall” are instantly recognizable and immediately reflect the music scene of the 90s But what isn’t evident from just hearing the song is the varied and trying history behind the band and one of its members. Liam Gallagher, head singer of the band Oasis and later Beady Eye, may have provided the vocals for the quintessential 90s Britrock song, but he has also to create fodder for the band’s downfall and his trying relationship with his brother and former bandmate, Noel Gallagher.