According to Companies House, Photoplay Music is now known as CPM Music Ltd - the accounts say it's no longer trading, and they don't anticipate that changing, but it's still being treated as a going concern.
Photoplay was Philip Green's company. There may be some vague connection to the old EMI Photoplay library, which had catalogue numbers beginning with Q, and with which Green had some involvement (there was a very good article in the Robert Farnon Society magazine about this label, but I can't remember much about it).
There were two series, the 12 series which were 'Melodic Orchestral', and the 13s which we see above.
I have a small number of both series, and have done lossless rips of four of them (though I could do much better ones now!) - might upload them if there's any interest.
