結合同分離郁動樂理上有關相鄰音符之間嘅關係嘅概念。結合conjunct / step)係指相鄰嗰兩個音符喺音級上都係相鄰,否則嗰兩個音符就算係分離disjunct / skip[1]

唔同旋律郁動樂譜圖例
  1. Bonds, Mark Evan (2006). A History of Music in Western Culture, p.123. 2nd ed.