YOU SAID:

The song that plays in the level colloquially known as 4-S

INTO JAPANESE

通称4-Sレベルで流れる曲

BACK INTO ENGLISH

The song that plays at the 4-S level

INTO JAPANESE

4-Sレベルで流れる曲

BACK INTO ENGLISH

Song played at 4-S level

INTO JAPANESE

4-Sレベルで演奏される曲

BACK INTO ENGLISH

Songs played at the 4-S level

INTO JAPANESE

4-Sレベルで演奏される曲

BACK INTO ENGLISH

Songs played at the 4-S level