http://general-terms.thesaurus.ekt.gr/vocabhttp://general-terms.thesaurus.ekt.gr/vocab?tema=9066bowed and chordophone instruments http://general-terms.thesaurus.ekt.gr/vocab?tema=9066 viola NT http://general-terms.thesaurus.ekt.gr/vocab?tema=9066 double bass NT http://general-terms.thesaurus.ekt.gr/vocab?tema=9066 violin NT http://general-terms.thesaurus.ekt.gr/vocab?tema=9066 violoncello NT http://general-terms.thesaurus.ekt.gr/vocab?tema=9066 lyra NT http://general-terms.thesaurus.ekt.gr/vocab?tema=9066 chordophones BT