Isaac Hong's 'Hello, goodbye.' had a release date set for November 12, 2025. The duration of This song is about 3 minutes long, at 3:06. Based on our data, This song appears to be safe for all ages and is not considered explicit. This track is about the average length of a typical track. The track order of this song in Isaac Hong's "Hello, goodbye." album is number 1 out of 2. On top of that, South Korea appears to be the country where this track was created. Based on our statistics, Hello, goodbye.'s popularity is average in popularity right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.
We consider the tempo marking of Hello, goodbye. by Isaac Hong to be Allegro (fast, quick, and bright) because the track has a tempo of 140 BPM, a half-time of 70BPM, and a double-time of 280 BPM. Based on that, the speed of the song's tempo is fast. Activities such as, jogging or cycling, can go well with this song. The time signature for this track is 4/4.
This song is in the music key of B Major. This also means that this song has a camelot key of 1B. So, the perfect camelot match for 1B would be either 1B or 2A. While, 2B can give you a low energy boost. For moderate energy boost, you would use 10B and a high energy boost can either be 3B or 8B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 1A or 12B will give you a low energy drop, 4B would be a moderate one, and 11B or 6B would be a high energy drop. Lastly, 10A allows you to change the mood.
Want to find the BPM and music key for other songs? Check out our BPM and Key Finder page!
| Track | Artist | Key | Energy | Camelot | BPM | ||
|---|---|---|---|---|---|---|---|
| Do you know | Kassy | D♭ Minor | 3 | 12A | 141 BPM | ||
| I Wanna Be - Acoustic | 10CM | C Major | 4 | 8B | 127 BPM | ||
| 낙원의 나무 | Jang Ki Yong | A Major | 5 | 11B | 140 BPM | ||
| I'm Happy | Isaac Hong | B Major | 3 | 1B | 126 BPM | ||
| Loved You Too Much | DOKO | F Major | 5 | 7B | 162 BPM | ||
| Could it be like this | doyouka | D♭ Major | 8 | 3B | 168 BPM | ||
| My Door | SEO EUNKWANG | E♭ Major | 4 | 5B | 79 BPM | ||
| Too Late to Say I Love You (Feat. Cho Won Sang of LUCY) | KIXO, Cho Won Sang | B Major | 6 | 1B | 102 BPM | ||
| Turn a Page of Memory | KWON MINA | E Major | 1 | 12B | 110 BPM | ||
| These memories are like a movie (2025) | Bily Acoustie | D♭ Major | 4 | 3B | 71 BPM | ||
| If I Only Have You | Lee Joonseok | F♯ Minor | 5 | 11A | 106 BPM | ||
| Sirius | KIM MIN SEOK | F♯ Major | 6 | 2B | 160 BPM | ||
| an old school uniform | KCM | E♭ Major | 4 | 5B | 122 BPM | ||
| lost | 1415 | D Major | 5 | 10B | 90 BPM | ||
| focuci | the orchard | C Major | 2 | 8B | 119 BPM | ||
| Us - Acoustic | 10CM | C Major | 4 | 8B | 127 BPM | ||
| What's the ending | TAEKWOO | E♭ Major | 4 | 5B | 136 BPM | ||
| A Day | Suzy | A Major | 2 | 11B | 125 BPM | ||
| Redpepper dragonfly | sEODo | C Major | 7 | 8B | 112 BPM | ||
| leaning on a tree | Shin Ji Hoon | B Major | 2 | 1B | 133 BPM | ||
| Left Unspoken | DOKO | E♭ Major | 5 | 5B | 138 BPM | ||
| 히트곡 - 언젠간 내게도 히트곡이 생겼으면 좋겠다 | 진현, 강원우, Kim Min Kyung, 김영남, 김영준, 김재국, 나겸, Narin, DyoN Joo, 로, 미어캣, 박은지, 밴유, 블루파인, 설화, 소음, 손현, 신설희, 제스티, 에디전, 유니콘, 이재환, Lee Hyeon Yeong, 장윤혁, WADE, 정우열, Joeon, Cho Hyung Woo, Cha Yeoul, 캡틴락, Kiryn, 한건흥, Isaac Hong | F Major | 6 | 7B | 120 BPM | ||
| The Definition of Love | 9 and the Numbers | F♯ Minor | 7 | 11A | 148 BPM | ||
| To you. | myojin | A Major | 4 | 11B | 67 BPM | ||
| Last Light | SEO EUNKWANG | C Major | 7 | 8B | 119 BPM |