- Title: Unknown, Untitled, Unmastered
- Type: Drama
- Format: Standard Series
- Country: South Korea
- Episodes: 3
- Aired: Oct 4, 2024 - Oct 18, 2024
- Aired On: Friday
- Original Network: Mnet
- Duration: 13 min.
- Genres: Music, Youth, Fantasy
- Tags: School Setting, Drummer Male Lead, Guitarist Female Lead, Guitarist Male Lead, Musician Female Lead, Musician Male Lead, Short Length Series, Time Warp, Fierce Female Lead, Enemies To Friends
- Content Rating: Not Yet Rated
- Score: 7.2 (scored by 89 users)
- Ranked: #53239
- Popularity: #19847
- Watchers: 322
- Favorites: 0
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