At the St.Petersburg Conservatory in 1862, Leschetizky introduced the technique of a relaxed, weight-produced sound which later became the foundation of the Russian piano school. This revolutionary approach changed the destiny of piano literature and paved the way for such giants as Rachmaninoff and Prokofiev. Peskanov believes that 21st century Piano Pedagogy has to combine the performing element with a reflection of these great traditions of the past. "The inspiration of making music evolves from the realization of technical freedom." Scales in Double Notes: Thirds, Sixths and Octaves Also, Peskanov Scale - double-sixths chromatic scale in the Russian Pattern.