DKO The Darren Kramer Organization is a world-class horn band with vocals and performs Funk, R&B, Soul, Motown, Swing, Jazz & Latin.  DKO is in demand for public and private events throughout the state of Colorado as all DKO members are full-time professional musicians with years of experience and education. DKO is a highly versatile group and can consist of any number of musicians from solo performance to the full-size 10pc band depending on your wants, needs and budget.