25 is a greatest hits album by Norwegian synth-pop band A-ha. It was released in Norway on 19 July 2010, in Germany and central Europe on 6 August, and in the United Kingdom and other parts of Europe on 4 October. 25 includes all 33 of the band's singles, along with five album tracks and the B-side "Cold as Stone". The album includes the single "Butterfly, Butterfly" which had the world premiere on 14 June 2010 and was made available as a digital download on 9 July. The Japanese version features a different track list, with three tracks chosen by the Japanese public. This compilation is far more comprehensive than either of the two previous compilations. From Wikipedia (https://en.wikipedia.org/wiki/25_(A-h...) under Creative Commons Attribution CC-BY-SA 3.0 (https://creativecommons.org/licenses/...)