The Big Chill 2011 organisers have added Kraak and Smaak, Kormac's Big Band, Lazy Habits, Jehst, Sepalcure and Star Slinger to the line-up.
The festival will return from Eastnor Castle Deer Park from 4-7 August.
The new acts join headliners Kanye West, The Chemical Brothers and Rodrigo y Gabriela.
Also set to perform at the four-day festival are Empire of the Sun, Jessie J, Warpaint and many more.
Click here for the latest Big Chill 2011 line-up.
Funny man Lee Nelson has also been confirmed to provide comedic relief with a “non-stop two hour party of jokes, games, beat-boxing, relay crowd-surfing, sing-alongs and sound clashes”.
The Big Chill tickets start at £75 for a single day, £120 for two days and £165 for the full weekend (plus booking fee), with more options available.
Click here to buy Big Chill 2011 tickets.