Yinyuqu is low-frequency music. Musical music does not specifically refer to low-frequency music. Yinyuqu refers to the musical works used in electronic music rhythm games, such as music games and rhythm games. These musical works have a distinct sense of rhythm and rhythm to adapt to the rhythm of the game and the player's operations. Yinyouqu is not limited to low-frequency music, but covers a wide range of music types and frequency ranges to meet the gaming experience and player needs. Low-frequency music refers to music or audio content with lower frequencies. Frequency refers to the speed of sound vibrations, measured in units of vibrations per second, in Hertz. In music, the lower the frequency, the deeper and deeper the sound.