Question: Which Scottish singer, songwriter, and guitarist included calypso music in his influences and wrote the song Hey Gyp?
Context: "Jumanji" is a song recorded by American hip hop artist Azealia Banks for her debut mixtape, "Fantasea" (2012).  The song was released as a free promotional single, available for digital download and streaming via Banks's SoundCloud, on May 11, 2012.  "Jumanji" is composed as a tropical track with musical influences including kuduro, dancehall, and calypso music.  Instrumentally, the song features a trumpet, a timpani, a harp, and calypso steel drums.  The song also features Banks rapping over a beat that was compared by music critics to the work of English musician and producer, M.I.A.  Lyrically, the song describes Banks' involvement in media scandals and, as she described, "keeping true to herself".  "Jumanji" received acclaim from music critics, who complimented the overall production and Banks's rapping flow.  Banks has performed the song live several times, as part of the Mermaid Ball, as well as at the Glastonbury Festival 2013, and Club Nokia in 2015. Tropical rock (or trop rock) is a genre of popular music with influences from rock and roll, reggae, country music, caribbean, Calypso music and zydeco.  It incorporates themes and compositions of a tropical nature and represents a relaxed and easygoing lifestyle. "Turquoise" is a song written and recorded by British singer-songwriter Donovan.  The "Turquoise" single was released in the United Kingdom on October 30, 1965 through Pye Records (Pye 7N 15984) and charted, peaking at No.30.  The "Turquoise" single was backed with "Hey Gyp (Dig the Slowness)" and only released in the United Kingdom.  "Turquoise" was released as the b-side on "To Try for the Sun" in the United States.  Interesting use of vibes in that song, played by Maya Angelou, an African-American writer who is best known for her seven autobiographies, was also a prolific and successful poet.  She has been called "the black woman's poet laureate", and her poems have been called the anthems of African Americans.  Angelou studied and began writing poetry at a young age, and used poetry and other great literature to cope with trauma, as she described in her first and most well-known autobiography, "I Know Why the Caged Bird Sings".  She became a poet after a series of occupations as a young adult, including as a cast member of a European tour of "Porgy and Bess", and a performer of calypso music in nightclubs in the 1950s.  Many of the songs she wrote during that period later found their way to her later poetry collections.  She eventually gave up performing for a writing career. "Hey Gyp (Dig the Slowness)" is a song by Donovan.  He based it on "Can I Do It For You", a song by Memphis Minnie and Kansas Joe McCoy.  The name "Gyp" refers to Donovan's best friend, Gyp Mills, known then as Gypsy Dave, and is one of many songs that Donovan wrote and recorded as a dedication to his close friends. Tropical rock (or trop rock) is a genre of popular music that incorporates elements and influences of rock and roll, reggae, country music, caribbean, Calypso music and zydeco, with themes and musical compositions inspired by an island style. Slinger Francisco ORTT CMT OBE (born July 9, 1935), better known as Mighty Sparrow, is a calypso singer, songwriter, and guitarist of Trinidadian citizenship.  Known as the "Calypso King of the World", he is one of the best-known and most successful calypsonians.  He has won Trinidad's Carnival Road March competition eight times, Calypso King/Monarch eight times, and has twice won the Calypso King of Kings title. Kobo Town is a Canadian Caribbean music group, led by Trinidadian Canadian singer and songwriter Drew Gonsalves.  Based in Toronto, Ontario, the band blends calypso music with a diverse mix of Caribbean and other musical influences, including ska, reggae, dub, rapso, zouk and hip hop. Miss Calypso is a 1957 album by singer, writer and poet Maya Angelou.  The album was released during a craze for calypso music catalyzed by Harry Belafonte the previous year.  Angelou sings every song on the album, and she composed five of them.  Behind Angelou's voice, studio guitarist Tommy Tedesco and percussionist Al Bello created an exotic mood.  Angelou toured in support of the album, performing calypso songs in nightclubs.  The album was a modest success but Angelou did not make any further records as a singer. Donovan Philips Leitch (born 10 May 1946), known as Donovan, is a Scottish singer, songwriter and guitarist.  He developed an eclectic and distinctive style that blended folk, jazz, pop, psychedelia, and world music (notably calypso).  He has lived in Scotland, Hertfordshire (England), London and California, and, since at least 2008, in County Cork, Ireland, with his family.  Emerging from the British folk scene, Donovan reached fame in the United Kingdom in early 1965 with live performances on the pop TV series "Ready Steady Go! ".
Answer: Donovan