Officially founded in March 2013, the South Korean Show Choir "Harmonize" made a quickstart in terms of choral competitions. When participating for the first time in the World Choir Games in Sochi 2016 they achieved two gold medals in the Champions Competition categories Pop Ensembles and Scenic Pop / Show Choirs.

The group performs a wide repertoire of pop music in combination with A Cappella, Rap, Beatbox and Street Dance elements as well as classical choir music. On their way of repeating their success story of 2016 this time at the World Choir Games in Tshwane, South Africa in 2018, they made a choral stopover at The PyeongChang 2018 Olympic Winter Games: They were invited to perform at a PyeongChang Live Site concert as a part of presenting crucial elements of the South Korean culture.