Salvato also composed the game's score.[26] The introductory composition, "Doki Doki Literature Club!", is primarily performed by piano and flute with accompaniment by string instruments. The composition "Okay, Everyone!" has five different versions, four of which are performed by different musical instruments that represent each of the four female characters. Monika's version emphasizes the piano, Yuri's version uses pizzicato and harps, Natsuki's version is played by xylophone and recorder, and Sayori's is played by ukulele.