Hi: This British Library blog post about Christopher Strachey’s programming of the Manchester Mk II in 1951 to play music may be of interest: http://blogs.bl.uk/sound-and-vision/2016/09/restoring-the-first-recording-of... Cheers Brian Randell — School of Computing Science, Newcastle University, Newcastle upon Tyne, NE1 7RU EMAIL = Brian.Randell@ncl.ac.uk PHONE = +44 191 208 7923 URL = http://www.ncl.ac.uk/computing/staff/profile/brian.randell