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 2004 live praise and worship album For All You've Done reached #1 in the mainstream Australian album charts (ARIA) when many copies were sold during Hillsong's annual conference.