Jussi Hakulinen is a fine artist from Pori, known from his early years with Yö He has managed to write a few songs that some consider classics now that Joutsenlaulu and Rakkaus on lumivalkoinen He left the band in a few years after forming it with singer Olli Lindholm and pursued a solo career and was part of Kinsky some of Yo's songs copyrighted to him and the band could not play them live
In the 2000s Jussi replied Yö on major concerts and also composed some songs for them
