Karaoke Lyrics and Character Count - Do Fast Songs Really Have More Characters?
The lyrics of "Usseewa" by Ado have about 600 characters. "A Cruel Angel's Thesis" has about 350. Some Vocaloid speed songs top 1,000 characters. When a karaoke song feels "impossible to keep up with," is it actually because the lyrics have more characters?
Character Counts of Popular Songs
| Song | Artist | Lyric Characters (approx.) | Duration | Characters per Minute |
|---|---|---|---|---|
| A Cruel Angel's Thesis | Yoko Takahashi | About 350 | 4:00 | About 88/min |
| Racing into the Night | YOASOBI | About 550 | 4:18 | About 128/min |
| Usseewa | Ado | About 600 | 3:23 | About 177/min |
| Lemon | Kenshi Yonezu | About 450 | 4:16 | About 106/min |
| God knows... | Haruhi Suzumiya (Aya Hirano) | About 400 | 4:39 | About 86/min |
| Senbonzakura | Kurousa-P | About 700 | 4:04 | About 172/min |
Comparing "characters per minute" reveals song difficulty. "A Cruel Angel's Thesis" at 88 characters/min is easy to sing, while "Usseewa" at 177 characters/min clearly has more rapid-fire sections - and the numbers prove it.
Lyric Character Count vs. Singability
| Characters per Minute | Perceived Speed | Karaoke Difficulty | Typical Songs |
|---|---|---|---|
| 50-80/min | Slow | Beginner-friendly | Ballads |
| 80-120/min | Normal | Standard | Most J-POP songs |
| 120-160/min | Somewhat fast | Somewhat hard | YOASOBI, Official HIGE DANdism |
| 160-200/min | Fast | Hard | Ado, Vocaloid songs |
| 200+/min | Ultra-fast | Expert only | Vocaloid speed songs |
Japanese vs. English Lyric Character Counts
Even with the same melody, Japanese and English lyrics differ greatly in character count.
| Language | Characters per Note | Reason | Example |
|---|---|---|---|
| Japanese | 1 character = 1 sound | Each hiragana is 1 mora | "sa-ku-ra" = 3 sounds |
| English | 1 word = 1-3 sounds | Sung by syllable | "beau-ti-ful" = 3 sounds |
Japanese uses one character per sound, so the same melody carries less information than English. The English word "beautiful" (9 letters) takes 3 beats, but the Japanese "utsukushii" (5 characters) needs 5 beats. This is why Japanese lyrics tend to be shorter than English ones for the same melody.
Karaoke Screen Text Display
| Item | Specification | Notes |
|---|---|---|
| Characters per line | About 15-20 | Depends on screen size |
| Lines shown at once | 2-3 lines | Next lyrics appear ahead of time |
| Color change | Synced to singing timing | Color sweeps left to right |
| Furigana (reading aid) | Shown above kanji | Helps with hard-to-read characters |
Karaoke screens show about 15-20 characters per line. In fast songs, the color sweep moves so quickly that your eyes can barely keep up. Just like notification UX design, karaoke screens face the challenge of "delivering information in limited time."
Song Lyrics and Copyright
Song lyrics are protected by copyright. You cannot post full lyrics on social media or blogs.
| Usage | OK / Not OK | Reason |
|---|---|---|
| Posting full lyrics on a blog | Not OK | Copyright infringement |
| Quoting part of lyrics (with source) | Conditionally OK | Must meet fair use requirements |
| Lyrics sites (licensed by JASRAC) | OK | They pay licensing fees |
| Singing at karaoke | OK | The venue pays licensing fees |
| Cover videos on social media | Depends on platform | YouTube has a blanket license with JASRAC |
Quoting lyrics is only allowed when your own writing is the "main" content and the lyrics are "supplementary." Posting lyrics alone is not quoting - it is copying. Understanding copyright and text length is essential for anyone using social media.
Books on karaoke and music can be found on Amazon.