From Roman soldiers' marching songs to Elizabethan madrigals with the naughty words discreetly veiled by hey-nonny-nonnies, and from the saucy repertoire of 18th-century catch clubs to today's explicit popular music, Lucie Skeaping - who has performed a few bawdy ballads in her time - presents a history of sex in music. Is song only really sexy when it's reacting to highbrow, moralistic taste? And will today's sexual openness in western music be followed by a period Of prudishness? Producer Andrew Green