Answer:
*Ballad stanzas. The traditional ballad stanza consists of four lines, rhymed abcb (or sometimes abab--the key is that the second and fourth lines rhyme). The first and third lines have four stresses, while the second and fourth have three.
*In a traditional ballad, the second and fourth lines of each stanza rhyme and have the same number of syllables. This adds to the lyrical, song-like nature of the poem.
*any light, simple song, especially one of sentimental or romantic character, having two or more stanzas all sung to the same melody. a simple narrative poem of folk origin, composed in short stanzas and adapted for singing. any poem written in similar style. the music for a ballad.