Official Instagram account of Uuden Musikiin Kilpailu has given some clues about it.
According to the official Facebook page of Uuden Musikiin Kilpailu, the competing songs will be revealed on 13th January. 18 songs will be competing in the UMK 2015.
Also, some pictures about the songs and their lyrics have been shared via the official Instagram account of UMK on the first day of the year. Here are some of them: