Bar form
music
Bar form, in music, the structural pattern aab as used by the medieval German minnesingers and meistersingers, who were poet-composers of secular monophonic songs (i.e., those having a single line of melody). The modern term Bar form derives from a medieval verse form, the Bar, consisting of three stanzas, each having the form aab. The musical term thus refers to the melody of a single stanza, the a sections (called Stollen) having the same melody,...