Sectional Forms Theory Things   William Wieland
Many common forms are sectional forms. The sections may be identified by capital letters (A, B, C) or words (introduction, verse, refrain, exposition, development, recapitulation, bridge, transition, coda.)
What is the form of Super Mario Bros (1985) Overworld / Main Theme?
Hint After a 4 bar introduction, each page of the preceding piano score is a section (one letter). 
Super Mario Bros (1985) Overworld / Main Theme is not a common form.