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"Grim Reaper of Love" is a single by the American rock band The Turtles, released in May 1966. It was written by Turtles members Chuck Portz and Al Nichol, and includes sections in quintuple meter (3-2 on the opening verse).
It is an early example of psychedelicraga rock, using an electric sitar.
References
Liner notes for the CD "Save the Turtles: The Turtles Greatest Hits", Flo and Eddie Inc. (Manifesto Records), 2009.
Everett, Walter. 2008. The Foundations of Rock : From "Blue Suede Shoes" to "Suite: Judy Blue Eyes" (p 308). Oxford University Press.