accompaniment

nouns

an event or situation that happens at the same time as or in connection with another
is derived from
a musical part (vocal or instrumental) that supports or provides background for other musical parts
is derived from
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"
the act of accompanying someone or something in order to protect them
is derived from
is derived from