František Jiránek was a Czech (Bohemian) Baroque composer, musician and probably a student of Antonio Vivaldi. is parents were servants of the Counts of Morzin; František also started to work for them as a musician. Count Václav Morzin sent[ him to Venice in 1724 to improve his musical abilities. His teacher was probably Antonio Vivaldi himself. Count Václav Morzin was a very important supporter of Vivaldi (Vivaldi dedicated to him his famous Four Seasons).