Inspired by The Reduced Shakespeare Company, I timed Sir Patrick Spens in an "up tempo" fashion and reckon however many songs you think, I can now beat it....

Most pressed CDs are 65 mins max in theory but etched to whatever happens to be recorded. Although this was always just about the case, in more recent years there have been data tracks for picking up the track names which may not sound much, but as a separate session take up far more than the data they include.

Blanks of any type can handle more but get dodgy towards the end, as you are using the outer section of the CD (as opposed to vinyl which works inwards) and the eccentricity of the "flat" CD is more pronounced at the outer edges so needs more over sampling than the CD player will provide.