It's no secret that Noel Gallagher was the brains behind Oasis. Whatever brother Liam's antics onstage and off, it was Noel's impeccable songwriting that made the band legend. After leaving Oasis in 2009, Noel entered the studio a year later and emerged with his solo debut as Noel Gallagher's High Flying Birds in 2011—the music of which is as solid as fans have come to expect.