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 Prelude in G major by Nikolaus Bruhns arranged by Rheinberger in 1882 specifically “for concert performance” shows Rheinberger as an editor skilled at “recreating” older works. He added individual voices or chords to the origin...