How does a traditional English ballad stanza use four-stress and three-stress lines?

In traditional English ballads, the ballad stanza is typically composed of four lines (a quatrain) that alternate between four-stress and three-stress lines. This rhythmic pattern, often referred to as ballad metre, generally follows an abcb rhyme scheme, where the second and fourth lines rhyme.12

The use of these alternating stresses creates a familiar, song-like cadence that is well-suited for oral performance. While the lines are written with three and four stresses, musical analysis reveals that the three-stress lines often conclude with an implied fourth stress; this pause allows the line to match the rhythmic structure of the musical phrase. This structural design helps make the narrative easier to remember and perform, as the consistent meter and repetition serve as mnemonic devices for the singer and the audience.13