RT Journal Article SR Electronic A1 Nováková, Lucie T1 JF Aura musica YR 2013 VO 4 IS 2 SP 42 OP 55 UL https://aura.ujep.cz/en/artkey/aum-201302-0007.php AB The article deal with developing of boy's changing voice. It describes its phases and it aims at factual possibilites of working with the boy's voice in this period. It presents three different approaches: chest voice singing, head voice singigng and combination of both.