LONDON (Reuters) - The Rolling Stones released a career-spanning digitally re-mastered back catalogue on Apple Inc's iTunes Store on Wednesday as part of their 50th anniversary celebrations. The new iTunes release chronicles the British group's entire oeuvre, from their introductory 1963 cover of Chuck Berry's "Come On" to last year's Greatest Hits collection "GRRR!", their record label Universal Music said on Wednesday. The Rolling Stones - Mick Jagger, Keith Richards, Ronnie Wood and Charlie Watts - emerged alongside the Beatles in the early 1960s. ...