Question: It was this day in Rock History in 1969, this album entered the UK chart, peaking at No.2. It was the first musical work to be billed overtly as a rock opera. What was it?

Answer: It was The Who album, ‘Tommy’. One of two full-scale rock operas from The Who (the other being the 1973 ‘Quadrophenia’). The double album tell’s a loose story about a “deaf, dumb and blind boy” who becomes the leader of a messianic movement.