Muhammad Tulus (born 20 August 1987), better known by his mononym Tulus, is an Indonesian singer-songwriter of Minangkabau descent. His debut album, Tulus, was released in 2011. Rolling Stone Indonesia put this album on the top chart of Indonesia's Best Album and awarded for Tulus as Rookie of The Year in 2013. His second album, Gajah, was released in 2013. 88,000 copies were produced and distributed since then, one of the largest CD productions in Indonesia (2014–2015).It was the only music album in the Indonesian language that was listed in The Top 10 Best Selling Music Album in iTunes Asia, two months in a row after it was released.The title of the album was chosen because it was a childhood nickname of Tulus. "Gajah" is also the title of one of the songs on the album. It also includes the songs "Tanggal Merah", "Satu hari di Bulan Juni", "Bumerang", "Gajah" and others. "Sepatu" was re-released with Japanese' version, entitled "Kutsu" (????????) which translated by Hiroaki Kato, in iTunes on 10 October 2015.