RT Journal Article SR Electronic A1 Karafiátová, Markéta A1 Luska, Jiří T1 Intra-Tonal Hierarchy of Melody in Development: Probe-Tone Method and Its Application JF Musicologica Olomucensia YR 2018 VO 28 IS 2 SP 63 OP 81 DO 10.5507/mo.2018.022 UL https://musicologica.upol.cz/artkey/mus-201802-0003.php AB Intra-tonal hierarchy is one of the basic principle of mental processing in music. The paper deals with the research of tonal hierarchy while using the "probe-tone method" first applicated by C. Krumhansl. The respondents aged 9-17 were lower and upper level secondary school students and grammar school students. The tonal profile obtained in the research relative to the standardized tonal profile, student's age and their musicality were examined.