The song [시월의 어느 멋진 날에](javascript:void(0)) is a Korean song based on "Serenade To Spring" from the Secret Garden's 1st album. In 2000, Korean lyrics were added by 한경혜 and arranged by baritone 김동규, who also made it his signature song. The original melody was a spring serenade, but the Korean version is considered an autumn song, popular especially in October. Various sheet music and piano, guitar, and vocal scores are available, including simplified keys for easier play. The song is widely loved in Korea and often used in events like weddings and school performances. The lyrics describe a lovely day in October and feelings of love and happiness.

If you are looking for the 악보 (sheet music), there are many versions available online, including melody sheets in Ab and G keys, piano arrangement, and vocal scores. Some sites provide downloadable files, and there are tutorials for learning the song with the sheet music. In summary, [시월의 어느 멋진 날에](javascript:void(0)) is a beloved Korean song with available sheet music for various instruments. It is based on a piece by Secret Garden but adapted with Korean lyrics to celebrate a beautiful October day. The sheet music can be found online in various arrangements and difficulty levels for use in performances or personal enjoyment.