SEE ALSO: Leessang's Gil to make an appearance in December open air concert after four months of reflecting

The '2014 Year-End Concert Union' will be held at SK Olympic Handball Gymnasium, Olympic Park on December 30-31.�Tickets will also go on sale via Interpark on November 18 at 2 PM KST.

This will also mark Gil's 1st public appearance since his 8-month hiatus to reflect on his DUI incident. His agency Leessang Company rep stated, "During his 8 months of self-reflection, he was only focused on making music with a deeply apologetic heart... We want to repeat that it wasn't easy for him to decide [to join the concert] due to his strong sense of responsibility, concerns, and pressure."