He kaitito, he ringa toi puoro, he kaimahi, he kaimahi ā-rōpu e whakawhiti ai i ngā kaupapa maha. Kua whiri tahitia e Horomona Horo ngā taonga puoro i roto i ngā āhuatanga maha e pā ana ki te ahurea, ki te puoro, ki te akoranga hoki.

Kua ārahina ia e ngā tohunga o ngā taonga puoro, ko Hirini Melbourne rāua ko Richard Nunns. Ko Horo tētahi o ngā kanohi Māori i te ao puoro e mōhiotia ana i te ao whānui. Kua whakapakari a Horomona i ana pūkenga i runga i te atamira, ā, kua mahi hoki ia ki te te whakahoki i ngā taonga puoro o neherā, pērā i ōna kaiako, ā, kua whakawhānui ia i tōna mōhiotanga me ōna pūkenga i ngā horopaki puoro me ngā horopaki toi rerekē.