Conrad's abc transcription is made from the notation given in Gwen Polwarth's book, I think, rather than from the original transcription in Hepple (different key) but you can easily get a conversion to midi via

http://www.concertina.net/tunes_convert.html

Don't forget to remove the spaces at the beginning of each line that will result from copying-and-pasting from here, though, before submitting the abc.