I think the first two tracks are unreleased recordings from 1946. I have them on CD, and I can't trace an original 78rpm release. There's a Metronome magazine article from 1954 on Google Books (snippet view, alas) in which she refers to them as "unreleased", so I think this LP was probably their first release. Quote:"And there are also two unreleased sides which I did for Musicraft, Glad To Be Unhappy and A Man with a Horn, which I like."But is she really doing all those mambo tracks?