Hello, does anyone know where I can find a sheet music version (or MIDI) of the song Casablanca by Bertie Higgins. Please note I'm not talking about the music from the movie, or As Time Goes By.

The original artist performing the song - his own YouTube video, it seems

I couldn't find this on sheetmusicplus.com, by a composer search. Anybody got some ideas as to where to dig the song up?
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My YouTube channel:

http://www.youtube.com/user/thenorbass1