The group unveiled three new songs during the Jisan Valley Rock Festival in South Korea last week, reports NME.com.
Rivers Cuomo and his cronies performed the songs I’m Your Daddy, Can’t Stop Partying and The Girl Got Hot.
The group wrote on their Website that fans at the festival were singing along to all their songs, "even the three brand new ones."
Weezer is on their world tour, which includes several North American dates in August.