Hōpa Kōwae Ko Accordion he hōpa kōwae i hangaia mai i te kōwae tūāpapa kotahi. Ka rerekē te rahi me te āhua o te kōwae tūāpapa mā te kōpēhanga, he rite ki ngā pūhau o te akōriana. He maha ngā whakatakotoranga hōpa ka taea te hanga mai i te kōwae kotahi hei hāngai ki ngā wāhi rerekē. Kua hangaia te tinana ki te whātē kōpē e hoki wawe ana ki tōna āhua, ā, ka honoa ngā paepae rākau o ngā taha ki ngā taura kaha me ngā puku whakarite. Mā te huri i ngā puku ka whakauaua ngā taura, ka kōpēhia hoki te hōpa. Ka taea anō te kōpē i te hōpa mō te tākai papatahi, e whakaiti ana i ngā utu tākai, penapena me te kawe.