John Metras has played a number of instruments professionally since the 1970s, including the guitar, piano, accordion and harp. As a graduate of Lone Mountain College as a guitar major, he proceeded to obtain a Masters degree in Music Education from Holy Names College in Oakland and a teaching credential at San Francisco State University.
John taught music in Sonoma County schools for over 30 years, has mentored a number of new music teachers, and is certified by the National Board for Professional Teaching Standards. In 2004 he won 1st place in the prestigious Lyon & Healy International Jazz and Pop Harpfest in the nonpedal harp division, playing his set on the cross-strung harp. He has published a number of books for harp, including a method for the cross-strung harp and 4 other collections of classical pieces arranged for the cross-strung harp. He has also taught at a number of local and national harp conferences (including the 2006 AHS National Conference, the 2006 Somerset "West" Folk Harp Festival in San Jose, the the 2007 and 2009 Big Sky Harp Festivals in Montana, the 2007 Lyon & Healy Pop and Jazz Harpfest in Salt Lake City, the 2008 Somerset on the Potomac Harp Festival, the 2009 Festival of the Harps concert in Oakland the 2010 ISFHC HarpCon in St. Louis, MO and was featured at the 2011 Somerset Folk Harp Festival in Parsippany, New Jersey.
John has been a major promoter of the chromatic cross-strung harp due to the instrument's size, weight, cost, and versatility in playing any type of music without the use of levers or pedals. John started his own publishing company (Metrasound Music) in 1992 and has published a song flute method, and a band method, in addition to his numerous harp publications.