Looking up...
She accompanied her friend to the concert.
She went with her friend to the concert.
to go or be with someone as a companion or escort
The bodyguard accompanied the celebrity everywhere.
The bodyguard went with the celebrity everywhere.
A piano accompanies the singer in the song.
A piano plays along with the singer in the song.
Can be used for people or things that provide accompaniment.
Use 'accompanied by' to describe something that is present along with another thing.
From Middle English 'acompanyen', from Old French 'acompagner', from 'a-' (to) + 'compagnon' (companion).
Often used with 'by' to indicate what or who is accompanying.