O.S.T. proved to be even more complex than the group's first albums, using a larger variety of samples (culled from vinyl collected all over the world), and the samples were pieced together in more intricate ways. For example, the track "Montego Slay" used over 20 minuscule sections of music from Jamaican tourist souvenir records, cut and reorganized seamlessly into a new rhythm. after he wrote an essay that they perceived as critical of the tone of their previous album
Question in the Form of an Answer. After the release of
O.S.T. came out, People Under the Stairs sent an advance copy of the album to Wang, with more disses written on the album cover. Wang eventually spoke with Thes One and learned the source of the group's anger, and the two are now good friends. The track "The Dig" also apparently seemed to contain a negative reference to
Madlib (who also referred to himself as "Tha Loopdigga") in the lyrics "fuck a loop digger in my city, man, just stay home", and many on the L.A. music scene were incensed. However, Thes One claims to have been unaware of Madlib's alternate name and had meant to aim the lyric at hip hop sampling artists who were not interested or engaged in the music they were sampling or the history behind it. The picture used for the front cover was taken on Cambridge Street in
Los Angeles, one block away from Thes One's house of eight years, where the majority of the first five albums were recorded, including
O.S.T. ==Reception and touring==