9Looking for a coloring book for adults that will help you relax and reduce stress? Adult Coloring Gem Book will remind you how much you love to color with a variety of 32 detailed music designs that are fun, not overwhelming. Use pens, markers or colored pencils to color everything from a variety of musical instruments and a marching band to a rock concert and a vintage microphone When you're done coloring a design, the perforated pages are the perfect size for framing. Look for our other coloring books for grownups - Mosaic Places, Mosaic Creatures and Mosaic Inventions.