Our chat with Barney Hoskyns, who covers the wild years of Woodstock - the town, not the festival - in his book Small Town Talk.
Did Eric Clapton really write "Cocaine" while on cocaine? This question and more in the Clapton edition of Fact or Fiction.
Petula talks about her hits "Downtown" and "Don't Sleep In The Subway," and explains her Michael Jackson connection.
The Scorpions and UFO guitarist is also a very prolific songwriter - he explains how he writes with his various groups, and why he was so keen to get out of Germany and into England.
Their frontman (Chris Cornell) started out as their drummer, so Soundgarden takes a linear approach when it comes to songwriting. Kim explains how they do it.
U2, Carly Simon, Joanna Newsom, Brian Wilson and Fiona Apple have all gone to Van Dyke Parks to make their songs exceptional.