This includes rare copies of musical works, such as the Ten Voluntaries by John Bennett. The ballet "Voluntaries" by Glen Tetley was created in his memory. Besides his many hymns, Schreiner wrote a book entitled "Organ Voluntaries". Additionally, Zundel composed a number of preludes, postludes, voluntaries, and fantasies suitable for church services. Aspirants are either officers in training in military academies or voluntaries, serving as temporary officers. King Hall composed both sacred and secular music, especially sentimental ballads and organ voluntaries. His early compositions included piano pieces, organ voluntaries, songs, anthems and a symphony (from 1892). These voluntaries were meant to feature the stops for which they are named. He left a few organ compositions; among them two-part Voluntaries are the most common.