There are many, many Andrew Lloyd Webber albums out there, including cut-and-paste compilations and songbooks from individual artists, most notably Sarah Brightman, Michael Crawford, and even Jose Carreras. The Premiere Collection is probably as authentic as you can get in a hits album, however. In addition to the most popular selections from the original casts of Evita, Cats, ...
The most widely seen movie produced by a Hollywood studio, The Sound of Music grows fresher with each viewing. Though it was planned meticulously in pre-production (save for the scene where Maria and the children take a dipping in an Austrian lake that nearly cost a life), on each viewing one is struck anew by the spontaneous almost improvisatory air of the acting, notably of Julie Andrews ...