"Part of Your World" (パート・オブ・ユア・ワールド Pāto obu Yua Wārudo ) is the second Song Mission in Atlantica. It reflects Ariel's feelings about the surface world and for Prince Eric. This song becomes available after Sora and the others move Prince Eric's Stone Statue into Ariel's Grotto by using Magnet.
It was originally composed by Alan Menken and written by Howard Ashman and was nominated for Oscar for Best Song. It was later arranged by Yoko Shimomura for Kingdom Hearts II.