what inspires?

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I've been in a creative rut for years. I've played guitar and have loved it for more than half my life, but I've only ever written one song that I'm proud of. I know there's more in me but am not sure how to bring it out most times. Music does it for me, as does much art, especially photography and others of my own dorky eccentricities.
I know there are many artists, musicians and generally cool people here @ dirty so I was wondering;
what inspires you?