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Perfect all-kill (Korean: 퍼펙트 올킬; abbreviated as PAK) is a music chart achievement in South Korea where a song simultaneously reaches number one on the real-time, daily, and weekly components of iChart, a music chart ranking aggregator operated by the South Korean web entertainment publisher Instiz Corporation, the operator of the Instiz [ko] web forum.

The term "perfect all-kill" was first used when the song "Nagging" by IU featuring Seulong ranked at number 1 on all Korean music charts in June 2010. Although Instiz iChart was launched in March 2010, it does not list 2010 records. The artist that holds the record for the most number of songs to achieve a PAK is IU with 22 songs. The song with the most hourly PAKs is "Ditto" by NewJeans with 655 PAKs. "Celebrity" by IU holds the record for a solo act with 462 PAKs.

iChart

The Instiz iChart is the first and only South Korean online music chart that aggregates the rankings of all major music streaming services in South Korea, including Melon, Genie, Bugs!, Vibe, Flo, and YouTube Music which provide real-time, daily, and weekly data. The iChart has its own real-time and weekly rankings based on points given to songs. The iChart is considered transparent as it calculates scores based on various agencies' ranking data, and updates its real-time and daily charts accordingly. The users can also visit the source agencies' websites directly to compare rankings. The records may be accessed by the public for three months.

History

Before 2015, the iChart aggregated scores from 10 music service providers. These 10 agencies were Melon, Mnet, Bugs!, Olleh, Soribada, Genie, Naver, Daum, Cyworld, and Monkey3. In February 2017, major domestic music distributors such as Melon, Bugs Genie, Mnet, Soribada, Naver Music, and Monkey3 changed their streaming calculation to real-time graphics only between 12pm and 6pm. This meant that anything that was released outside of this time period would not count towards the chart until 1pm the following day. This major change was reported as a measure in music chart searches largely reflecting a song's popularity. In May 2017, Olleh and Monkey3 were excluded from the Instiz iChart ranking calculation and Naver Music's score doubled. In February 2019, Flo was added to iChart. In October 2019, Mnet discontinued its service and merged with Genie, and was later removed from the chart. Naver Music has also been removed and replaced with Naver VIBE.

In May 2020, Melon made some changes to its real-time ranking calculation. The chart changed from rankings based on hourly usage per song to a chart calculated based on the number of unique listeners. Streams and downloads from the last 24 hours were calculated instead of the last hour.

Mechanic

The iChart gathers the data and attributes points to each song. The Instiz iChart attributes bonus points for more popular and widely used platforms than others. It applies a multiplier to the accumulated points that a song gets from certain charts. This multiplier only applies on daily charts. The following table shows the maximum points for every chart.

Related terms

Other "all-kill" categories on the Instiz iChart include Real-time All-Kill (RAK) and Certified All-Kill (CAK). RAK is achieved when a song becomes number 1 on all iChart real-time charts while CAK is achieved when a song becomes number 1 on all iChart real-time and daily charts. For a song to achieve a PAK, it needs to become number 1 on iChart weekly chart as well.

Achievements

Top 10 songs with the most hourly perfect all-kills

The following table lists the top 10 Korean songs with the highest number of perfect all-kills (in hours), from 2010 to present.

Artists with the most songs to achieve a perfect all-kill

The following table lists the top Korean artists with the highest number of songs that achieved a perfect all-kill from 2010 to present.

References

1. ^ Assis, Tassia (December 15, 2023). "2023 In Review: 5 Trends That Defined K-Pop". Grammy. Retrieved February 12, 2024. Perfect All-Kill, meaning it charted at No. 1 on real-time, daily and weekly charts on all major South Korean music streaming platforms
2. Chin, Carmen (March 24, 2022). "(G)I-dle achieve their first Perfect All-Kill with 'Tomboy'". NME. Archived from the original on March 26, 2022. Retrieved April 8, 2023.
3. 2010년 24주차 Digital Chart. Gaon Music Chart (in Korean). Archived from the original on November 25, 2016. Retrieved May 4, 2021.
4. Park, Sanghoo (February 20, 2023). 최초 기록·차트 롱런… 신드롬 넘어선 뉴진스 광풍 [First record and long chart run… New Jeans craze beyond the syndrome]. JTBC (in Korean). Retrieved February 12, 2024 – via Naver.
5. ^ 가수별 PAK 달성곡. iChart. Archived from the original on November 10, 2023. Retrieved February 12, 2024.
6. "iChart". instiz.kr. September 20, 2009. Archived from the original on May 11, 2021. Retrieved May 11, 2021.
7. Park, Young-woong (February 15, 2017). "[단독] 음원차트 개혁, '0시 줄세우기' 사라진다" [ Music chart reform, ‘line up at 0 o’clock’ disappears]. Sports Chosun (in Korean). Retrieved March 28, 2024.
8. "IU continues to dominate Korean music charts - Entertainment". The Jakarta Post. March 30, 2017. Retrieved March 28, 2024.
9. Park, Soo-jeong (February 15, 2017). "[음원차트 바꾸기③]"개혁 반대" 아이돌 팬덤의 목소리" [ Idol fandom’s voice “opposes reform”]. Herald POP (in Korean). Retrieved March 28, 2024.
10. Kim, Mi-ji (May 20, 2020). "지니뮤직 측 "실시간차트, 순기능 살리며 유지할 예정"[공식입장]" [Genie Music side “We plan to maintain real-time charts while maintaining their positive function” ]. Xports News (in Korean). Retrieved March 28, 2024.
11. Lee, Min-ji (May 19, 2020). "멜론, 실시간 차트 없앤다 "여름 적용 목표"(공식입장)" [Melon eliminates real-time charts “Summer application goal” (official position)]. Newsis (in Korean). Retrieved March 28, 2024.
12. Vasquez, Dinna Chan (May 25, 2019). "Music charts and how they work…sort of". BusinessMirror. Archived from the original on May 13, 2021. Retrieved May 12, 2021.
13. Peoples, Glenn (January 11, 2016). "South Korea's Biggest Music Subscription Service Acquired by Mobile Messaging Company". Billboard. Archived from the original on May 13, 2021. Retrieved May 12, 2021.
14. Jeong, Ji-won (July 9, 2018). [공식입장] 주요 음원사이트, 실시간 차트 일부 폐지 '초강수'…"사재기 근절" [ Major music sites, abolishing some of the real-time charts, 'super strong'... 'Eradication of hoarding']. Osen (in Korean). Archived from the original on May 13, 2021. Retrieved May 13, 2021 – via Naver.
15. Shin, Hyeji (July 9, 2018). "사재기 시도 차단" 11일부터 '심야 실시간 차트' 운영 중지 ['Block hoarding attempts' 'Late night real-time chart' operation suspended from the 11th]. Kookmin Ilbo (in Korean). Archived from the original on May 13, 2021. Retrieved May 13, 2021 – via Naver.
16. "Flo Official Site". Archived from the original on April 16, 2019. Retrieved May 13, 2021.
17. Dong, S. (January 17, 2022). "YouTube Music emerges as leading streaming platform in Korea". The Korea Times. Archived from the original on April 4, 2022. Retrieved April 4, 2022.
18. "YouTube Music charts: South Korea". YouTube Music. Archived from the original on January 17, 2022. Retrieved April 4, 2022.
19. "Sistem Chart Musik di Korea". tirto.id (in Indonesian). Archived from the original on May 13, 2021. Retrieved May 4, 2021.
20. "PAK (Perfect All Kill)". iChart. Archived from the original on November 10, 2023. Retrieved February 12, 2024.

External links

• iChart
• Instiz

• South Korean record charts
• Music-related lists