After import from Africa, each instrument is cleaned, inspected, tuned, and played individually to check sound and quality. Excellent sound quality from solid handcarved wood shell and natural West African goat skin. Comes to you tuned up, ready to play out of the box. Tunable. Hand crafted in Africa by village cultural artisans supported by the non-profit Africa Heartwood Project .org. World Percussion USA is the only authorized seller of Africa Heartwood Project instruments on Amazon. All other sellers of this item are NOT selling the product described in this listing!