Sigma Sound Studios is an American music recording studio in Philadelphia, Pennsylvania founded by recording engineer Joseph Tarsia in 1968.
Located at 212 N. 12th Street in Philadelphia, it was the second studio in the country to offer 24-track recording and the first in the country to use console automation. Tarsia was formerly chief engineer at Philadelphia's Cameo-Parkway Studios.
On April 15, 1972, singer-songwriter and pianist Billy Joel played an hour long concert at Sigma Studios. The re...
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