I would go from a heart beat monitor line to the keys. Very cool looking. Great tattoo idea.
Treble bass clef Music note heart painting by nicciwd40 on Etsy
celiabasto: “100% ART ” Music speaking to the soul.
Acrylic guitar painting on canvas
Music in a Glass by *Emberling on deviantART
Just playing around...
Piano Keyboard Music Is Voice Canvas 4 Your Home Interior Wall Art Decor New | eBay