In order to study in detail individual-personal qualities of future teachers - musicians methodics showing the functional hemispheric symmetry - asymmetry of the brain, lability - inertness of nervous processes and personal peculiarities were used. Specifically musical and personal qualities necessary for piano playing and for psychological-pedagogical activity were studied in particular. Data analysis displayed the correlation between some individual-personal qualities of the students and their preferable music style. The results of qualitative and quantitative analysis can be used for more precise definition of individual-typological qualities of the students, so that more adequate pedagogical influence can be achieved.