Question: Which Scottish singer, songwriter, and guitarist included calypso music in his influences and wrote the song Hey Gyp?
Sentence (from "Hey Gyp (Dig the Slowness)"): 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.
Relevant evidence: No