Walk on Water was a

Christian music Christian music is music that has been written to express either personal or a communal belief regarding Christian life and faith. Common themes of Christian music include praise, worship, penitence, and lament, and its forms vary widely around ...

band in Sweden who won a national competition with the video for "What's the Noise?", a song on their first album.Christian New Wave
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References

Christian musical groups Musical groups established in 1990 {{Sweden-band-stub