Duo Favourite are a keyboard / vocal duo from Bulgaria , and between them can sing in English , German , Russian , Italian , Spanish and other languages .

They can perform a vast repertoire of international songs in all of the various languages , from evergreen classic hits through to country , tango , waltz , samba , cha-cha , salsa , jazz , rock &roll , reggae , disco and current pop chart hits , including Hip Hop and R & B .