f(x) members Luna and Amber are landing gigs here and there and both are announced to be attending the upcoming music festival ‘Ultra Korea 2015’ in June.

According to the festival’s organizer, Luna and Amber are among the recently announced line-up of performers of the 4th batch along with other international performers from 10 countries and they are going to sing the theme song of the festival.

Among the top and main performers are David Getta, Alesso, Skrillex, Hardwell, Nicky Romero, Justin Oh, and more. The big event will be packed with various special live stages from singers of diverse genres across the globe.

This year’s ‘Ultra Korea 2015’ is happening on June 12&13 at Olympic Stadium and is expected to draw 20,000 audience.

Credits to dkpopnews.net