Dervish are a traditional Irish music group from County Sligo, Ireland. They were formed in 1989 by Liam Kelly, Shane Mitchell, Martin McGinley, Brian McDonagh and Michael Holmes. The band was originally formed to record an album of local music which was later released as The Boys of Sligo. They later formed Dervish. The name was chosen as it relates to groups of spiritual people who are enraptured by music.