Šupelka
... that the musical repertoire of the Macedonian folk instrument Šupelka consists mainly of imitating the sounds of other instruments used in Macedonian traditional music?
... that the musical repertoire of the <a class="mw-redirect" href="./Republic_of_Macedonia" id="mwBt4" rel="mw:WikiLink" title="Republic of Macedonia">Macedonian</a> folk instrument <b id="mwBt8"><a href="./Šupelka" id="mwBuA" rel="mw:WikiLink" title="Šupelka">Šupelka</a></b> consists mainly of imitating the sounds of other instruments used in <a class="mw-redirect" href="./Music_of_the_Republic_of_Macedonia#Traditional_music" id="mwBuE" rel="mw:WikiLink" title="Music of the Republic of Macedonia">Macedonian traditional music</a>?