Guitar teacher and Composer needs a Business Card design

This is what a business in Germany was looking for in their business card design

I am looking for a designer who would like to implement the general idea of the design which I am providing with a draft in the uploaded file called Alex.png. Please feel free to add your own creative touch to my idea.
There should definitely be an abstract image of a guitar on the business card. The colours to use - black and white, could be also grey. Which one to use as the main colour - to your decision. You can try to make it half-half, for example black part with guitar and the rest - white or the other way round. Would be cool to see there some element standing out in red, such as some note, or one or all strings of the guitar, or the line of the contour of the guitar for example..

It would also be nice to see a "reverse" version where the background would be black and the strings and contour of the guitar would be white etc.

Thanks to everyone who is going to participate in this design project!
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