Quan ho is recognised as the Intangible Cultural Heritage by the UNESCO in 2009. The quan h style originated in what is now Bc Ninh Province and was first
Janelle Hernandez (1994-1998), John Butts (1998-2002), Andrew Burnell (1993-2000), Troy Julio Hill (1981-1985), Quan Ho (1984-1988), Raymond Aguilar (1967-1972)