BBC Radio 3's Composer Of The Week is a guide to composers and their music. The podcast is compiled from the week's programmes and published on Friday, it is only available in the UK.
http://www.bbc.co.uk/programmes/p02nrvd3
Donald Macleod's Mozart
Donald Macleod maps out Mozart's life story, plays many of his favourite works and trys to fathom why for him Mozart's music will always remain a constant companion