http://general-terms.thesaurus.ekt.gr/vocabhttp://general-terms.thesaurus.ekt.gr/vocab?tema=9052aerophones http://general-terms.thesaurus.ekt.gr/vocab?tema=9052 wind reed instruments NT http://general-terms.thesaurus.ekt.gr/vocab?tema=9052 aerophone and keyboard instruments NT http://general-terms.thesaurus.ekt.gr/vocab?tema=9052 brass instruments NT http://general-terms.thesaurus.ekt.gr/vocab?tema=9052 musical instruments BT