Overview Reviews Product Description The CT8000 series concert toms are constructed using the Yamaha Air-Seal System and YESS Mount System to produce a quality drum and achieve the distinct Yamaha sound. The CT8015 is a 15" 8-ply birch drum (available in 8 sizes). Product Videos Custom Field Product Reviews Write a Review Write a Review × YAMAHA Ct8015 Concert Tom Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *