A section of Mulford Street, where he was raised, was renamed Leon Huff Way.
Huff has been inducted into the Songwriters Hall of Fame and the Rock and Roll Hall of Fame with Kenny Gamble.
The duo are known for songs including "Love Train" by the O'Jays, "Me and Mrs. Jones" by Billy Paul and "If You Don't Know Me by Now" by Harold Melvin and The Blue Notes.
Among those attending the event was Huff's former music teacher, Alfred Minnicozzi, who was credited with helping Huff learn the discipline needed to become a musician.
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