Apple Computer\u2019s iTunes Music Store added six new shows from Warner Bros. Entertainment Tuesday, including the first season of the hit show Friends and the sci-fi series Babylon 5.Also added Tuesday were the first seasons of classic Warner Bros. cartoons The Flintstones and The Jetsons. Warner Bros. also made available the pilot episode of a new DC Comics series Aquaman, and highlights from the comedy show MADtv\u2019s eighth, ninth and 10th seasons. All episodes sell for US$1.99 each, and can be played on the iTunes application or on video-enabled iPods.Tuesday also saw one of the biggest early opponents of digital music piracy finally make its catalog available online. The works of Metallica, one of the world\u2019s all-time best-selling hard rock acts, were uploaded onto iTunes, with each song selling for US$0.99. The group\u2019s early and vocal opposition to Napster\u2019s file-sharing software, before it was reincarnated as a legitimate rival to iTunes, gives Apple\u2019s service a further nod of legitimacy as the conduit of choice for legal digital music.However, the group\u2019s 1993 three-CD live box set, Live Sh*t: Binge and Purge, and its 1999 double-disc collaboration with the San Francisco Symphony, S&M, were not included in Tuesday\u2019s releases, although single tracks appear as bonus tracks on some of the albums offered.-Steven Schwankert, IDG News Service (Beijing Bureau)Related Links:\n\nApple to Announce iTunes Movie Rentals in August?Check out our CIO News Alerts and Tech Informer pages for more updated news coverage.