Hillsong's music has become well-known internationally amongst Christian groups. Songs such as "Power of Your Love" by Geoff Bullock and "Shout to the Lord" by Darlene Zschech have become popular and are sung throughout churches world-wide. Hillsong have released over 40 albums since 1992, many of them achieving gold status in Australia. Although the music is not well known amongst the mainstream, their audience coming mostly from christian circles