Rafney Birna Guðmundsdóttir and Þyrí Úlfsdóttir are 11 years old and they are the band Tvö Hjörtu. They will perform their own songs mixed with Christmas songs and fill the hearts of the audience with true Christmas spirit. The event is supported by the City of Christmas. Two Hearts will play at Hlemmur at 13:00 and will then stop at several places on Laugavegur and Skólavörðustígur before the last concert will be at Lækjartorg at 2:45 p.m.