obligato [ˏɔbli'gɑ:tәu]
n.
助奏, 助唱
adj.
不能省略的
obligatoobligati[ noun ]- a persistent but subordinate motif
<noun.communication>
- a part of the score that must be performed without change or omission
<noun.communication>
Obligato \Ob"li*ga"to\, a. [It.]
See {Obbligato}.