On a request of the publisher Henri Hinrichsen of C. F. Peters, Reger composed 15 pieces in Munich in 1902.

Peters published twelve in Leipzig in August 1902 as Zwölf Stücke, Op.

Reger used the three still unpublished pieces (Fughette, Gigue, Intermezzo) and composed additional nine pieces in 1904, to form a similar set of works that can be played in sequence or individually.

[3] The titles and keys are: In the edition of Reger's complete works by the Max-Reger-Institute, they were published in volumes 5–7.

[4] The organist Hans-Jürgen Kaiser recorded ten of the twelve pieces in volume 11 of the complete organ works by Reger, along with the Chorale Preludes, Op.