sold 1.64 million digital copies in its first week (included preorders on the iTunes store since the release of the album's lead single "Hello" in October 2015). Japan In 2006, the Recording Industry Association of Japan began issuing certifications for digitally released music in Japan, compiling data from the early 2000s onwards. The best-selling song is Fukushima-based vocal group Greeeen's song "Kiseki" (2008), which was certified for being legally downloaded four million times between 2008 and 2015, followed by R&B singer Thelma Aoyama's "Soba ni Iru ne" (2008) featuring rapper SoulJa, which was certified for three million downloads between 2008 and 2014. Greeeen's song "Ai Uta" (2007) ranks as the third highest certified song, with 2.5 million downloads tracked between 2007 and 2009. Two more songs have sold more than two million paid downloads: Ayaka's "Mikazuki" (2006) and Kobukuro's "Tsubomi" (2007). The most successful ringtone in Japan is Moldovan-Romanian band O-Zone's "Dragostea din tei" (2003), known locally as , which was certified as having four million units sold. In Japan, only two albums have received digital certifications by the RIAJ. The first was Songs for Japan (2011), a charity compilation album raising profits for the 2011 Tōhoku earthquake and tsunami, which was certified gold for 100,000 downloads in June 2011. The second album was the Japanese language cast recording of the Frozen soundtrack, which sold 100,000 copies between its release in March 2014 and January 2015. South Korea In South Korea, Gaon Digital Chart has been tracking digital sales since 2009. The most successful song according to their published data is Busker Busker's "Cherry Blossom Ending" (2012), which was downloaded over 7 million times between 2012 and 2017. In 2011, "Roly-Poly" by T-ara was the most successful song of the year, selling 4.1 million digital copies. "Roly Poly" also became the fastest-selling song in Korea's history and the first to reach more than 4 million downloads in a calendar year (within 5 months). In 2012, this accolade went to Psy's "Gangnam Style", after selling 3.8 million units. See also Comparison of on-demand music streaming services On air on sale Open music model United States v. ASCAP Notes References Online content distribution File sharing Recorded music