Freda Zimmerman, who wanted to give occasional piano lessons in her Philadelphia home, was denied a zoning variance to use her residence for a "home occupation." Neighbors had presented a petition with 43 signatures to the Zoning Board stating that the proposed piano lessons would "threaten the residential character of the neighborhood," "increase danger," "overcrowd the land," and "adversely affect transportation, and the public health, safety and general welfare" of the neighborhood.

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