Part 1. Ways to use the organ creatively in worship (a mini-course in improvising on hymntunes)
Modulations to the doxology (old hundredth)
Five harmonizations of the doxology
Twenty-one ways to improvise on the hymntunes for the organ
Ways to improvise interludes and codas
Part 2. The creative use of the organ in worship (organ setting possibilities for 254 hymntunes).