Johann Sebastian Bach (1685–1750), one of the most famous composers of the Baroque era, is already an icon in the history of music. Rediscovered in the 19th century, he still attracts the attention of musicologists researching and studying his work. This extraordinary person evokes curiosity and admiration, while his contribution to the development of music cannot be overestimated. A genius about whom, as it seems, we already know so much, constantly inspires and provokes to in-depth research into his life and musical legacy.