Organist Curt Sather will perform all of the extant organ works of Bach on a 24-hour marathon, midnight to midnight, with brief breaks every couple hours, on the birthday of J. S. Bach

There are nearly 300 pieces, some of which are rarely performed in recitals. The diversity of pieces, in style, length, and purpose, span the composer’s long life. The earliest pieces are probably from when he was 15, the final pieces from his final 65th year.