Hatsune Miku
Since the success of her Vocaloid 2 package led to an expansion of marketing possibilities, most of the mass marketing has come after her initial release as a response to her popularity and has been on going since 2008. Even with the addition of other Character Vocals, Miku's name continues to be used as the primary source of marketing for Crypton Future Media, to the point where most products for their Vocaloid related products will usually only feature Hatsune Miku's name. In March 2012, the Nomura Research Institute estimated that the sales of all Hatsune Miku brand goods added up into the region of since her release in 2007. Her name is easily the most recognizable of all Vocaloids.
Exist Trace
In 2013, Exist Trace introduced their 'new world' musical direction, where long-time main lyricist/composer miko would officially be taking a dual-vocal position with Jyou. The twin vocal style was emphasized on 2013's single "Diamond". In 2014's "Spiral Daisakusen", the pair again share front billing and the center spot on the music video. The first album to fully incorporate the twin vocal style, "World Maker" (2014), revealed an improved duet system, where vocals are typically heavier towards Jyou in allocation, but making good use of miko's sweeter counterbalance. After an album gap of 1.5 years, the band released the "This Is Now" mini-album, an energetic offering with more of a metal feel than previous releases (including a return to growling from Jyou and backup snarls from Omi and Naoto), as well as re-recorded versions of the singles "Twin Wings" and "Shout Out". In Japan, the EP sold out within a day, across such stores as ZEAL LINK, Disk Union and BRAND-X.