While initially conceived as a grade 3 piece, Stacking inadvertently progressed into a grade 4 work due to its complexity. Nevertheless, it is an engaging exploration of various scales, an essential element for all musicians to learn and practice. The piece centers around major and minor scales, along with whole-tone and octatonic scales. The underlying energy of the work is driven by dynamic rhythms, in the aim to make Stacking both a challenging and enjoyable musical experience.