There are (for sure) several artists/bands named "Mayfly". 1) Mayfly was a Dutch prog-folk band founded in 1970, Bergen N.H. The band was initially named "Guruperide" before it changed to Mayfly in 1971. Members : Gustaaf Verburg (vocals, bass, guitar and piano)
Onno Verburg (vocals, guitar)
Ide Min (vocals and electronic instr.)
Maarten Min (vocals, drums)
Huub Nijhuis (bass, cello)
Arie de Geus (piano and violin) 2) Mayfly can also refer to a rock band from the South of Munich.