A renowned guitarist and rock revivalist, Dave took "I Hear You Knocking" to the top of the UK charts and was the first to record Elvis Costello's "Girls Talk."
U2, Carly Simon, Joanna Newsom, Brian Wilson and Fiona Apple have all gone to Van Dyke Parks to make their songs exceptional.
From "Some Day My Prince Will Come" to "Let It Go" - how Disney princess songs (and the women who sing them) have evolved.
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.
Roger tells the stories behind some of his biggest hits, including "Give a Little Bit," "Take the Long Way Home" and "The Logical Song."
The Nails lead singer Marc Campbell talks about those 44 women he sings about over a stock Casio keyboard track. He's married to one of them now - you might be surprised which.