Here are some examples of how "accompanied" can be used:
* "The child was accompanied by her mother to the doctor's office." (The mother went with the child)
* "The music was accompanied by beautiful visuals." (The visuals went along with the music)
* "The hikers were accompanied by a guide." (The guide went with the hikers)
It can also be used in a more abstract sense:
* "His success was accompanied by a lot of hard work." (The hard work went along with the success)
* "The rain was accompanied by thunder and lightning." (The thunder and lightning happened along with the rain)
In short, "accompanied" means "went with" or "was associated with."