Christian music arrived in Australia with the First Fleet of British settlers in 1788 and has grown to include all genres from traditional Hymns of Praise to Christian Rock and country music. St Mary's Cathedral Choir, Sydney is the oldest musical institution in Australia, from origins in 1817. Major recording artists from Johnny O'Keefe (the first Australian Rock and Roll star) to Paul Kelly (folk rock), Nick Cave (the critically acclaimed brooding rocker) and Slim Dusty (the "King of Australian country music") have all recorded Christian themed songs. Other performing artists such as Catholic nun Sister Janet Mead, Aboriginal crooner Jimmy Little and Australian Idol contestant Guy Sebastian have held Christianity as central to their public persona.