FM4 Frequency is set to go electro-crazy with the announcement of producers Boys Noize and MSTRKRFT for the festival's brand new Nightpark.
The Austrian event's night-time festival within a festival will play host to the who will be joined by Masallah, Krooked and Plattenspieler TM.
Wred, Funkberater, Chrome The Shit Is Coming Home and and a concoction of DJs consisting of Armin Waltersson, DJ Candid and DJ Whykriz complete the new evening additions.
On the sunnier side of things British pop sensation Little Boots and Australian favourites Jet have been confirmed for the aptly named Daypark which will form the other half of the festival site.
German outfit Auletta and Marc Almond & Band complete todays announcements, also helping the Daypark take on the role of its darker counterpart as the sun (hopefully) beats down on the Austria countryside.
Radiohead, The Prodigy and Grace Jones are set to headline the festival's Daypark whilst Carl Cox and 2 Many DJs are set to do likewise for the Nightpark.
FM4 Frequency Festival 2009 has moved site this year and will now take place in Green Park in the centre of St.Polten, Austria from 20-22 August.
Three-day weekend tickets are priced at €105 and include camping and festival passes.
VIP tickets are priced at €190 and also include your festivals passes and VIP camping.
Caravan tickets have gone on sale today for €30.