a-ha’s upcoming final song is called “Butterfly”.

The info comes from New York-based mixer Michael Brauer, who has posted the following info on his website at mbrauer.com:

“May 5, 2010 – I just mixed the final recorded song to be released by A-ha called Butterfly.”

Brauer has previously mixed Lifelines and How Can I Sleep With Your Voice In My Head. He also mixed Magne’s solo album Past Perfect Future Tense and the songs “Whalebone” and “Rain On Your Parade” for Savoy.

It is not yet known if “Butterfly” will be released as a single or included on a new “best of” album – or both.