The world of mainstream music is constantly transforming as new artists, styles and trends are embraced with each passing year. In spite of these changes, some musicians have maintained their popularity across decades, reinventing their sounds and careers. Read more...

Photo: Since its debut in the late ’90s, Coldplay has fallen into the trap of being mislabeled as an alternative rock band. The band’s meditative, simplistic melodies and music are more reminiscent of pop and will be featured in its allegedly final album, “A Head Full of Stars,” out Friday. (Courtesy of Dean Chalkley and Getty Images)