Heres an interesting archive of classic shows from Orson Welles’s ‘The Mercury Theatre on the Air’ radio show series, in MP3 format. It includes the notorious broadcast of ‘War of the Worlds’ (mp3) that started mass-panic in parts of the US. http://en.wikipedia.org/wiki/The_War_of_the_Worlds_radio_broadcast (Their server seems kind of slow, so be kind to it if you intend to download a lot of files)