Kewpie sends the link (via Morrissey reddit), originally posted by Dave2006 in the forums (original post):

BBC Radio 2 - From Edison To iTunes

Critic, writer and one-time label boss, Paul Morley charts the rise and rise of the record labels and looks ahead to a more uncertain future. This is a music lover's portrait of the music industry, told through the many iconic and generation defining record labels that helped mould it.