This collection investigates the technical and expressive possibilities of the organ through two distinct compositions by Sebastian Forbes. The author, a noted composer and academic, utilizes these pieces to explore contemporary harmonic structures and idiomatic organ writing. The work serves as a practical resource for performers seeking to expand their repertoire with modern, challenging compositions.

Experts in the field of organ performance recognize these pieces as significant contributions to the Oxford Organ Music Series. Performers frequently note the technical rigor required to execute the complex passages found within both works.