Shalva sang together with Harel Skaat, the original composer of the song and one of the judges, and advances to the semi-finals!

I have no idea how thye will deal with the Shabbos issue, should they win, or what their plans are. At leasts ome of them are religious, if not all, and the organization seems to be run by frum people, so this will definitely an issue that will need to be dealt with at some point.