Tabun (song)

"Tabun" (たぶん; "Probably") is a song by Japanese duo Yoasobi from their debut EP, The Book (2021). It was released as a single on July 20, 2020, through Sony Music Entertainment Japan. The song was based on the short story of the same name by Shinano, won the Yoasobi Contest Vol. 1. A middle tempo song, it depicts a couple breaking up in the morning.^[1] The song also featured on the film, Tabun, based on the same story.^[2]

"Tabun"
Single by Yoasobi
from the EP The Book
Language	Japanese
English title	"Haven't"
Released	July 20, 2020
Genre	J-pop
Length	4:18
Label	Sony Japan
Songwriter(s)	Ayase
Producer(s)	Ayase
Yoasobi singles chronology
"Halzion" (2020) "Tabun" (2020) "Gunjō" (2020)
Music video
"Tabun" on YouTube "Haven't" on YouTube

The English version of the song, titled "Haven't", was included on the duo's first English-language EP E-Side, released on November 12, 2021.^[3] The song went viral on TikTok in 2022 through its using in artificial intelligence manga filter.^[4][5]

Credits and personnel

• Ayase – songwriter, producer
• Ikura – vocals
• Rockwell – guitar
• Shinano – based story writer
• Takayuki Saitō – vocal recording
• Masahiko Fukui – mixing
• Hidekazu Sakai – mastering
• Saho Nanjō – music video animation, cover artwork design

Charts

Weekly charts

Weekly chart performance for "Tabun"

Chart (2020–2021)	Peak position
Global Excl. US (Billboard)[6]	139
Japan (Japan Hot 100)[7]	15
Japan Combined Singles (Oricon)[8]	11

Year-end charts

2020 year-end chart performance for "Tabun"

Chart (2020)	Position
Japan (Japan Hot 100)[9]	89

2021 year-end chart performance for "Tabun"

Chart (2021)	Position
Japan (Japan Hot 100)[10]	59

Certifications

Certifications for "Tabun"

Region	Certification	Certified units/sales
Japan (RIAJ)[11]	Gold	100,000*
Streaming
Japan (RIAJ)[12]	2× Platinum	200,000,000†
* Sales figures based on certification alone. † Streaming-only figures based on certification alone.

Release history

Release dates and formats for "Tabun"

Region	Date	Format	Label	Ref.
Various	July 20, 2020	Digital download streaming	Sony Japan	[13]