Bach was once reprimanded by the church for getting into a street fight with a bassoonist

Bach was once imprisoned for a month by his employer who refused to let him accept a job elsewhere

Bach composed a piece in all twenty-four keys 

Bach's first wife was his first cousin

Bach had a total of 20 children between his two marriages, only half of them survived

"Bach" means "brook" in German

Bach had a beautiful soprano voice as a boy