Yellow Diamond is a Tokyo, Ibiza and San Francisco based chillout music artist who works under the alias of Hideo Kobayashi.

Yellow Diamond started playing classic piano at very young age. In 2005 ‘Yellow Diamond’, the first album under Yellow Diamond, was released from a label in Chicago, Tokyotronic followed by Hideo’s big house record ’Shiroi Mayu’ released from an Italian label, Soulstar Records in 2006 and its main mix was ‘Yellow Diamond Main Mix’.

His latest remix for Fuente Music's ‘Requiem’ was released in 2017. Yellow Diamond’s music can be heard in chill and relaxed versions  Hideo’s releases.