E ʻimi i nā mea pena kiʻi pili a pau (singles) i Hrdza- collaborations, featuring, etc. Hrdza he kaulana kolowakia artist/band, ʻike ʻia hoʻi he mea hoʻokani pila me . E ʻimi i ka pilina a me ka hui pū ʻana o Hrdza me Solowakia a me nā mea hoʻokani pila honua.