I am a musician with no actual training, I taught myself through the help of youtube and this site for about 8 years. Now I'm looking for help for doing a guitar arrangement for Frank Sinatra's "Glad to be Unhappy." I noticed one doesnt already exist, at least not to my knowledge, and I am nowhere near musically savvy enough to do it on my own. I've tried coming up with some stuff and I think it may be in the Key of F, but I'm not sure. Any help would be great whether it's just chords or tabs or advice. Thanks!!