accompaniment
noun
[ əˈkʌmp(ə)nɪm(ə)nt ]
• a musical part which supports or partners an instrument, voice, or group.
• "she sang to a guitar accompaniment"
• something that supplements or complements something else.
• "these biscuits are a lovely accompaniment to tea"
Origin:
early 18th century: from French accompagnement, from accompagner ‘accompany’.
