Even though it's been out for a month, the game 'DotA 2' is still a work in progress. Composer Tim Larkin started writing music for the game more than two years ago  -- and he's not done yet.

James Hannigan and RuneScape 3 on Top Score

Some of the scores for video games are incredibly intricate and deserve recognition, which is why we've created Top Score: a series of podcasts dedicated to the music that accompanies soldiers through battle, sorcerers through forests and aliens through space.