make Inexpensive soundproof panels. Studio-- I need these in the Art Classroom--it echoes so much due to the high industrial ceilings and tile floor + all other hard surfaces
music room, home theater room. decorated canvas, stuffed with the foam stuff, hang it on the walls for good acoustics and make the room sound proof.
DIY Sound Proofing Panels for Home Studios « Cut pegboard/soundproof foam into hexagon shape. Cover with different colors and put together onto the wall.