The Black Keys, Ane Brun and more for Flow Festival 2012

Some twenty acts, including both international and domestic names, have been added to the bill, which already includes BjörkFeist and Bon Iver. With the announcement, the remaining ticket types also go on sale at Tiketti outlets.

New international artists on the Flow Festival program include the blazing hot American rock group The Black Keys, the Norwegian singer-songwriter Ane Brun, the Philadelphia-based indie rock band The War On Drugs, two innovators of electronic music in Flying Lotus and Nicolas Jaar, contemporary rap trailblazer A$AP Rocky, indie pop up-and-comer St. Vincent, reggae legend Horace Andy and the award-winning jazz pianist from New York, Jason Moran, who will host a very special residency over two days at the stage built for Flow in co-operation with the "Wastelands" architectural assembly.

Other acts on the Valentine's Day program release are soul star Charles Bradley And His ExtraordinairiesFour Tet & Cairbou, performing a unique back-to-back DJ set together, one of the highlights of the album release year 2011,Oneohtrix Point Never, dubstep innovator Pinch, the South African dance phenomenon Shangaan Electro and the ambient duo of two composers, A Winged Victory For The Sullen.

New Finnish artists confirmed for Flow are Jukka PoikaGraciasSiinaiVerneri Pohjola QuartetBlack TwigBendagram and Kuusumun Profeetta.

More acts will be added to the line up during the spring.

With the new release, the remaining Flow tickets will be released on sale, namely two-day ticket combos and single day passes for Friday and Saturday.