This study investigates, analyzes, and attempts to evaluate Robert Lucas Pearsall's (1795-1856) published articles and music as well as all available writings and music in manuscript form.

Psalm 23 is a sacred work in four movements, written for women's chorus (SSAA), a tenor solo and a chamber ensemble consisting of flute, oboe, trumpet, percussion, timpani, and string quartet. It is designed to be performed as a portion of a church service or in concert. The text, Psalm 23 from the Bible is sung in Chinese, and the verses of the Psalm are arranged as follows: Movement 1, Verse 1, General musical characteristics: pastoral; Movement 2, Verses 2-3, General musical characteristics: peaceful; Movement 3, Verses 4-5, General musical characteristics: agitated; Movement 4, Verse 6, General musical characteristics: majestic. The form, tonal structure and harmony of each movement are influenced by the characteristics of an original synthetic scale.

Te Deum is a single movement work for chorus and orchestra. It employs an ensemble comprising the complement of string, woodwind, and brass instruments typically available in a small symphony orchestra with an expanded percussion section. The choral forces are in proportional relation to the instrumental forces are in proportional relation to the instrumental forces and it is sung in the original Latin. The intended performance time is approximately 18 minutes. Temporal aspects of the work are characterized by three contrasting sections. The slow and solemn opening section is given to long stretches of silence sparsely punctuated by low drums. The remainder of the work is texturally more dense and employs a much quicker tempo. A steady core pulse is also a key feature, with attention given to avoiding any regular metrical implications by use offset accents, non-consecutive identical phrase lengths, and a slow harmonic rhythm.