
Before you throw in the sheet music, so to speak, try this.
Put on your walking shoes and go for a long walk. Long enough to perspire. This will get the "happy" hormones firing on all cylinders. Happy hormones will inspire you to sit down and tackle the music. Try it, it really works.
Proof? Google "Happy Hormones" For a longer read click on this.
http://www.apa.org/monitor/2011/12/exercise.aspx
Cheers,
David