Welcome Horizons

"Welcome Horizons" is a K.K. Slider song in, though it was first performed live during the Splatoon concert at the Nintendo Live 2019 event in Kyoto.

"Welcome Horizons" is in fact a rendition of the title theme for. It can first be heard in-game playing from a tape deck outside of Resident Services during the bonfire party to celebrate the first night living on the island.