accompaniment
noun.
an event or situation that happens at the same time as or in connection with another
noun.
a musical part (vocal or instrumental) that supports or provides background for other musical parts
noun.
something added to complete or embellish or make perfect
a fine wine is a perfect complement to the dinner|wild rice was served as an accompaniment to the main dish
Synonym: complement
noun.
the act of accompanying someone or something in order to protect them
Synonym: escort