New material will be performed alongside the traditional repertoire from the likes of Mozart and Puccini.

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The Radif of Iranian music is the traditional repertoire of the classical music of Iran that forms the essence of Persian musical culture.

UNESCO: Intangible Cultural Heritage

By the late 1990s, as Mr Lebrecht puts it, the whole industry found itself in meltdown, a panic impelling cutbacks, mergers and the abandonment of the traditional repertoire.

ECONOMIST: Classical music

The music is drawn from an extensive traditional repertoire named after ethnicities, towns or flowers ( Tu People s ''ling , '' White Peony ''ling'' ), and lyrics are improvised in keeping with certain rules for example, verses have three, four, five or six lines, each made up of seven syllables.

UNESCO: Culture

He adds that the quartet was surprised to find that, while conventional audiences may bristle at modern repertoire, non-traditional audiences respond enthusiastically to Bartok or Zemlinsky.

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"Doc was a legendary performer who blended his traditional Appalachian musical roots with bluegrass, country, gospel and blues to create a unique style and an expansive repertoire, " his management company, Folklore Productions, said.

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