Human Nature are an Australian vocal group, which formed in 1989, with Toby Allen, Phil Burton and brothers, Andrew and Mike Tierney. Originally they were a doo-wop group, the 4 Trax, while the members were schoolmates. After signing with Sony Music as Human Nature, they released their debut album, "Telling Everybody", in 1996. Four of their albums have reached number one on the ARIA Albums Charts, "Counting Down" (May 1999), ' (November 2005), ' (October 2006) and "" (August 2016). Three other albums reached number two, "Get Ready" (November 2007), "Jukebox" (October 2014), and "Romance of the Jukebox" (August 2018). Their top 10 hits on the related ARIA Singles Chart are "Wishes" (October 1996), "Don't Say Goodbye" (March 1997), "Everytime You Cry" (duet with John Farnham, October 1997), "Don't Cry" (July 1999), "Eternal Flame" (October 1999), "He Don't Love You" (November 2000) and "When You Say You Love Me" (April 2004). Three of their albums received multi-platinum certification from ARIA, while four others have received platinum, with a total shipment of over 1.6 million records in Australia, as of April 2011.