Original Soundtrack 1

Log Horizon Original Soundtrack 1 (ログ・ホライズン　オリジナルサントラ) is a soundtrack album containing music from the first Log Horizon anime season. It was released on August 22, 2014.

A few tracks from the season didn't make it into the album and were instead added to Original Soundtrack 2, which released on March 4, 2015.