f(x)'s Amber and Luna will be teaming up again for another spectacular EDM release!

Back in May, the two f(x) members worked with EDM artists Reh3b and Xavi & Gi for "Wave", released through 'SM Station'. Their upcoming release will also be through 'SM Station', as well as being the main theme song to the SM Entertainment run 'SPECTRUM DANCE MUSIC FESTIVAL' taking place from October 1-2.

Titled "Heartbeat" featuring Ferry Corsten and Kago Pengchi, the electro-trend style song will be released in both Korean and English on October 2. Amber and Luna will perform the song live during the 'SPECTRUM DANCE MUSIC FESTIVAL' at Seoul's Han River Park.

Who's excited for another f(Amber + Luna) release?