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"Unfinished Sympathy" is a song by Massive Attack. The song originally appeared on the group's 1991 debut album Blue Lines, and was the second single released from the album on February 11, 1991 and got as high as no13 in the UK. It features Shara Nelson on lead vocals, and is generally recognized as a pioneering song in the trip hop genre. The percussion loop is the "belly break" sampled from a Bob James' cover Take Me to the Mardi Gras of Paul Simon's track of the same name. The voice at the beginning of the song is a sample of John McLaughlin, whose voice was sampled without clearance.