There are multiple artists who go by the name K.: 1. K. was a J-pop singer active in the late 1990s and early 2000s. She released a number of singles with input from the members of m-flo, and emcee VERBAL from m-flo is featured on the track "The Love Hole".
RSS B0YS are a duo who introduce themselves as RSS BOY ONE and RSS BOY TWO - as they are completely anonymous. Said to be musicians-wanderers, the pair have spread the rumour that they met in Benin in West Africa.
They make electronic music that is mostly instrumental and includes vocal tracking and samples taken from other vocal tracks.