The hitmaking reality competition signed off on April 9. During the run of 'Idol,' various contestants such as Adam Lambert and Jennifer Hudson who did not win still went on to achievements in the music industry.
George Martin produced some of the most popular and influential albums of modern times – 'Sgt. Pepper's Lonely Hearts Club Band,' 'Revolver,' 'Rubber Soul,' 'Abbey Road' – elevating rock LPs to art forms.
Taylor Swift's performance was marred by sound problems. Ditto for Adele and Alice Cooper. But Stevie Wonder killed "That's The Way of the World" with the Pentatonix. Lady Gaga's Bowie tribute was a visual wonder.