As well as 20 organ sonatas and seven collections of stand-alone organ pieces with opus numbers, Rheinberger composed a whole range of smaller works for organ methods or organ collections for his favorite instrument, mainly at the request of colleagues and friends.

The posthumously compiled collection of ten smaller organ pieces WoO 25 brings together a series of interesting pieces from the years 1854 to 1896. It includes one of just two chorale settings by Rheinberger, the prelude on Wenn ic...