The organ works by Gregor Lehr (1906-1986), cathedral organist and master of music at the cathedral in Worms, were primarily intended for use in church services: these pieces were performed by the composer himself at church services in Worms at the cathedral of St Peter and at the church of St Paul, as well as in church concerts. Until now these musical scores were only accessible to a few former pupils of Lehr. These pieces composed in late Romantic style consist mainly of chorale preludes, along with some variations, interludes or postludes and chorale fantasias.