In the early 1970s, Philadelphia was the most influential source of African-American music in the country. At the centre of this musical scene stood Kenneth Gamble and Leon Huff , founders and lead executives of Philadelphia International Records (PIR). At the time, PIR was the city's largest label, and Gamble and Huff directed one of the most successful black-owned musical enterprises (second only to Motown).
At the heart of their success was their unique Sound of PhiladelphiaSound of Philadelphia...