Definition of "accompany"
accompany
/əˈkʌm.pə.ni/
verb
third-person singular simple present accompanies, present participle accompanying, simple past and past participle accompanied
(transitive) To supplement with; add to.
(intransitive, music) To perform an accompanying part or parts in a composition.
(transitive, music) To perform an accompanying part next to (another instrument or musician).
(intransitive, obsolete) To cohabit (with).