Keijo Suurkivi aka K.O. BigRock (formerly known as KAIYO) was born on 16th of April 1990 in a small city in Estonia called Võru. Since the earliest years of his life K.O. fell in love with music. K.O. started his dancer career when he was 8 years old and for now he has been a dancer for 14 years. First of his 6 years passed as a ballroom dancer and after a small break from it he began to saw the inspirational and creative life in hip-hop dancing. Even if he was singing all that time, at the age of 15 he started really putting more energy into singing. While being active in school-life, taking part of acting classes, organizing events and participating in sport-events, K.O. slowly worked also on his vocal and lyrical skill. After moving to Tartu at the age of 18, K.O. started working with Estonian producer One Shot. The collaboration didn't last for a long time, because K.O.'s High School graduation. In the end of 2009 K.O. established a management deal with American East Entertainment Group, which was in a way an inspiring project, yet difficult to work out since the distance between the two parties. In that time when K.O. was working with AEEG, he met many inspiring artists and producers. In 2012 AEEG and K.O. split on their own ways. He started working on his music on his own, working on his lyrical skills, plus trying different styles. Late 2011 and 2012 was a crazy year for K.O. also in his dancer career-life. Being a dance teacher and a choreographer for a dance studio in Pärnu called "Black, Brownie and the Blondes ESTONIA". In that 6 months of work with BBBE K.O. was performing in various nightclubs in Estonia, festivals, concerts and the highlights of the year - Estonian Music Awards 2012 and INNA's concert at The Tallinn Song Festival Grounds. Also he was participating in 2 major movie shoots - Sofi Oksanen "Puhdistus" and Estonian comedy film "Seenelkäik" ("Mushrooming"). In the beginning of 2013 K.O. moved to Exeter, United Kingdom. While staying in UK, K.O. has been in a transformation of his unique sounding. Purchasing his own home recording studio, plus production equipment, K.O. has fully committed himself into the music business. Along his different remixes and projects, his first single "No Lies" was released while living in Exeter and now his new track "All Night Long". K.O.'s biggest influences in his music career are Chris Brown, Tyga, New Boyz, Starting from their lyrical skills moving up to their performing skills.