Which Scottish singer, songwriter, and guitarist included calypso music in his influences and wrote the song Hey Gyp?
Donovan: Donovan Philips Leitch (born 10 May 1946), known as Donovan, is a Scottish singer, songwriter and guitarist. Donovan:  He developed an eclectic and distinctive style that blended folk, jazz, pop, psychedelia, and world music (notably calypso).
i don't know