sentences:  Subsequently, he was the founding member of the Jewish music group "Raaya Mehemna" ("Faithful Servant" – a reference to a Kabbalistic work; the group was later renamed "Raava Mehemna"), which was formed in the early 1980s.Bitton was perhaps the first religious Jew to infuse music on religious Jewish themes with "non-Jewish" styles such as rock and soul.He helped establish the idea of Jewish rock with his heavy hitting style and brought real rock and roll showmanship to the Jewish stage.