Hi-Fi is a Russian pop dance group established in 1998, founded by composer Pavel Esenin and songwriter and producer Eric Chanturia. The concept of group was the male leader and two supportive dancers-performers till 2006, when Katya Lee joined the group. Lee started her career in the band with solo song "Vzletai". From then on female and male vocals had equal parts. When Katya Lee left, the group went back to the old concept of the male singing. In 2009 Mitya Fomin left the group and started solo career. Later in 2010 Katya Lee left the group and joined another popular girls band Fabrika. The group has had many hits on the Russian charts and has won "Best Dance Group" at the Russian television Muz-TV in 2005.