shr is a producer who has composed a number of songs which mainly star Kagamine Len & Kagamine Rin, although they have produced some songs that star Megurine Luka. It is unknown when shr first debuted, because they removed several of their works before the song "Ainaki" on January 24th 2011.
shr is known for their skillful tuning of the Kagamines. Their music genre varies, though many songs feature pianos or smooth sounding music. They also create their own illustrations and music videos. They rarely collaborate with other illustrators.