Billy Harner, often referred to as "the human percolator", is an American singer known for his contributions to the Northern Soul and blue-eyed soul genres. His distinctive vocal style, characterized by a gritty, impassioned delivery, became a staple of the 1960s Philadelphia soul scene. Though not a mainstream success, Harner's music, notably his signature song "She's Almost You", has gained a cult following and continues to be influential in soul music circles. Despite his limited discography, Harner's impact on the genre is significant, demonstrating the enduring appeal of his distinctive soul sound.