Pearl manufactures the finest drums and percussion instruments available for today's drummer, percussionist, marching band or drum corps.
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A pearl is a hard object produced within the soft tissue (specifically the mantle) of a living shelled mollusk. Just like the shell of a mollusk, a pearl is made up of calcium ...
http://en.wikipedia.org/wiki/Pearl

Pearl.com is your source for pearl-related information. How to choose a pearl and where to buy pearls.
http://pearl.com/

pearl ( p?rl ) ( materials ) A dense, more or less round, white or light-colored concretion having various degrees of luster formed within or beneath
http://www.answers.com/topic/pearl

Pearl Paint for Art Supply, Art Supplies, Art Supply Store, Discount Art Supplies, and Art and Craft Supply
http://www.pearlpaint.com/