The FM4 Frequency Festival has announced the lineup for the ninth edition of the event. Set to take place August 20-22 in St.Polten, Austria, the show will include Afi, Anti-Flag, Enter Shikari, Mando Diao, Radiohead, Rise Against, Rival Schools, The Sounds, Thursday, A Place to Bury Strangers and many others.

You can find more information here.