counterpoint

In music, the technique of combining two or more independent melodic lines that are harmonically interdependent yet independent in rhythm and contour; figuratively, a contrasting element that enhances the whole.

• contrapuntal/ˌkɒntrəˈpʌntəl/(adj)对位法的

• musical counterpoint
• counterpoint to
• serve as counterpoint
• contrapuntal composition
• Bach's counterpoint

1. 1.Bach's fugues are masterpieces of counterpoint — multiple independent melodies weaving around each other, each complete in itself yet forming a unified whole that is greater than the sum of its parts. (musical technique)
2. 2.The film uses the child's innocent laughter as a counterpoint to the war scenes — the contrast makes both more powerful. (contrasting element)

• polyphony/pəˈlɪfəni/— multiple simultaneous melodies
• contrast/ˈkɒntrɑːst/— figurative — difference that highlights each element

from Latin "contrapunctum" — "contra" (against) + "punctum" (point, note) — note against note — medieval scribes wrote the second melody as "points against" the first