I'm not sure whether this is good or bad timing as far as we are all concerned but the BBC is having a blues weekend on the digital channel BBC4 this weekend and next week.
In addition to the programmes listed above for tonight (which are repeated in the early hours of tomorrow morning), there are also the following programmes on Saturday, 2nd May: http://www.bbc.co.uk/bbcfour/programmes … 2009/05/02
21:00–22:00 Bobby Bland: Two Steps from the Blues
Documentary about the life and music of gospel, jazz and blues singer Bobby 'Blue' Bland.
22:00–23:00 Blues on Later...with Jools Holland
With BB King, Bo Diddley, Buddy Guy, Eric Clapton, Seasick Steve, ZZ Top and many more.
23:00–23:55 Rock Family Trees
Series 1, The Fleetwood Mac Story
1/6. The history of Fleetwood Mac, formed in 1967 and a survivor of many different line-ups. (R)
23:55–00:40 Originals
Long John Baldry
Documentary about Long John Baldry, the pioneering British blues musician. (R)
00:40–01:40 John Mayall: 40 Years of the Blues
Profile of one of the most influential figures in British rock music, John Mayall. (R)
Monday, 4th May: http://www.bbc.co.uk/bbcfour/programmes … 2009/05/04
21:00–22:00 Eric Clapton and Steve Winwood Live at Madison Square Garden
The two rockers perform a string of hits, including Blind Faith's Presence of the Lord.
22:00–22:30 Eric Clapton at the BBC: The Rock 'n' Roll Years
An archive journey through Eric Clapton's performing life at the BBC and elsewhere.
Friday, 8th May: http://www.bbc.co.uk/bbcfour/programmes … 2009/05/08
21:30–23:00 Peter Green: Man of the World
After battling mental illness, ex-Fleetwood Mac frontman Peter Green is recording again.
Most of these programmes are repeated in the early hours of the following day.
Enjoy! 
Ars Longa, Vita Brevis
“The guy who has helped the blues industry the most is Joe Bonamassa and I would say he is more rock than some rock stuff, so to me blues is whatever you want it to be!”
Simon McBride in my interview with him in Blues Matters! Issue #56