There Are Two Groups That Are Called "The Shamrock". 1 The Shamrock Is A Six-Piece Croatian Band From Rijeka That Plays A Mixture Of Celtic And Traditional Croatian Music Formed In 2007. The First Album Titled "..Otom Potom.." Was Released In June 2008 And Was A Mixture Of Traditional Irish Music And Self-Written Songs. In Summer 2009. They Released An EP With Three Songs Titled "Sjećanje Na Livade" The Memory Of The Meadow . Over Time They're Creating More And More Their Own Special Style With A Strong Influence Of Ancient Slavic Folklore And Mythology As Well As Celtic Music. Damir Markotić - Lead Vocal Banjo Mario Mudrić - Electric Guitar Vocal Igor Vidaković - Tin-Whistles Vocal Paul Markotić - Drums Sandi Harapin - E-Bass Vocal Anamarija Martinčić - Violin Vocal 2 The Shamrock Is Neo-Mods Band In Japan 1979-1993 . The Members Are Kazunori Takahashi Vocal And Guitar Masayuki Yamamori Vocal And Bass . They Have Released 14 Singles And 6 Albums. The Shamrock Official Site