[1] Bader was the son of a Bamberg organist, and his family encouraged his musical education.

He worked in Munich from 1812 to 1816, and in October 1813, he married colleague Sophie Laurent.

From December 1816 to July 1817, he worked at the Bremen Theater under directors Carl Gerber and Ringelhardt.

He debuted again as a tenor on 30 May 1818 for Rossini's Tancredi in Brunswick and remained there until 1820.

For the rest of his life, he remained the music director at St. Hedwig's Cathedral.