The vocal ensemble Sixation first formed in Tbilisi ,Georgia in 1996. At first their program contained only jazz standards but later included folk and contemporary jazz. In 1997 the ensemble won the nomination "Best Vocal Group of the Year" on the Hit-Parade of National Radio in Georgia. In 1999 Sixation became the prize winner of the International Festival in Tampere, Finland and got invitations to Vienna, Moscow, Kaunas and Kiev. The same year the group won the grant of George Soros Foundation in the nomination "Modern Opinion of Folklore". In 2000, Chevron Corporation became the sponsor of the group and the first demo album was released. The same year Sixation was invited to Holland to collaborate with the famous artist Andre Rieu in recording his new album. In 2001 the group participated the Boston Regional Harmony Sweepstakes. The same year the sextet was reorganized into quartet and took the name "2+2".

Members: Nana Korakhashvili, David Kiknadze, Tamta Urushadze, Buka Kartozia