Friedrich Wilhelm Markull studied under Friedrich Schneider during his period of musical training in Dessau. After receiving his initial instruction from his father and other early teachers, Markull continued his formal education with Schneider, who was a prominent German organist, pianist, composer, and pedagogue. Schneider guided Markull as part of the music school he had founded in Dessau, where Markull was among several notable students.
The relationship between Markull and Schneider reflects a traditional mentor–student dynamic, with Schneider providing advanced musical instruction and shaping the artistic development of the younger composer. Although specific details of their daily interactions are not recorded, Schneider’s reputation as an influential teacher and Markull’s later success as an organist and composer indicate that this period of study played a significant role in Markull’s professional formation.