As a piano sonata written backwards from finale to intro, this composition culminates the movement peaking on the midwinter solstice. Codenamed #ProjectChooChoo, be ready to sprint the last trip's snowy tracks and catch the 𝑻𝒓𝒂𝒊𝒏 𝒕𝒐 𝑷𝒐𝒍𝒂𝒓𝒊𝒔.