Perfect all-kill certificate

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 web forum.[1]

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.[2] Although Instiz iChart was launched in March 2010, it does not list 2010 records.[3] The artist that holds the record for the most number of songs to achieve a PAK is IU with 21 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.[4]

iChart

The Instiz iChart is the first and only South Korean online music chart that aggregates the rankings of major music streaming services, including Melon, Genie, Bugs!, Vibe, Flo, and YouTube Music which provide real-time, daily, and weekly data.[5] The iChart has its own real-time and weekly rankings based on points given to songs.[6] The iChart is considered transparent as it calculates scores based on various agencies' ranking data, and updates its real-time and daily charts accordingly.[7] The users can also visit the source agencies’ websites directly to compare rankings. The records may be accessed by the public for three months.[8]

History

Before 2015, the iChart aggregated scores from 10 music service providers.[9] These 10 agencies were Melon, Mnet, Bugs!, Olleh, Soribada, Genie, Naver, Daum, Cyworld, and Monkey3. Each chart provided real-time and daily rankings. The removal and/or replacement of charts from the official iChart ranking list was due to 1) inconsistencies on its ranking criteria; 2) low volume of users; or 3) discontinued service.[10]

In February 2017, Melon, Mnet, and Genie shifted its streaming calculation for real-time charts between 12 PM and 6 PM only.[11] This meant that anything that was released outside that time period will not count towards the chart until 1 PM of the following day. This major change was reported as a measure in pursuit of music charts fairly reflecting a song's popularity.[12][13] In May 2017, Olleh and Monkey3 was excluded from Instiz iChart ranking calculation and Naver Music score became doubled.[14]

In February 2019, Flo was added to the iChart.[15][16] In October 2019, Mnet discontinued its service and merged with Genie, and was subsequently removed from the chart. Naver Music was also removed, and was replaced by Naver Vibe. In May 2020, Melon made some changes on its real-time chart ranking calculation. The chart switched from rankings based on hourly usage per song to a chart calculated based on the number of unique listeners.[17] The streams and downloads from the past 24 hours was calculated, rather than the past hour.[18]

Mechanic

The real-time charts are updated during the course of the day, at 30 minutes past each hour. The daily charts, on the other hand, are updated once a day, and each ranking platform updates their charts at different times.[19] The iChart gathers the data and attributes points to each song. The following table shows the point system that is reflected in the rankings to determine whether the song has achieved a RAK, CAK, or PAK.[20]

Rank Points
Daily chart Real-time chart
1st place 10 10
2nd place 7 7
3rd place 5 5
4th place 3 3
5th place 3 3
6th place 3 2
7th place 3 2
8th place 3 2
9th place 3 2
10th place 3 2
11th place 2 1
12th place 2 1
13th place 2 1
14th place 2 1
15th place 2 1
16th place 1 1
17th place 1 1
18th place 1 1
19th place 1 1
20th place 1 1

On top of these points, the Instiz iChart also 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.

Music streaming
service		 Multiplier Points Description
Melon 6x 12,480 the largest of the major digital music providers in South Korea, which has a market share of around 40% online subscribers.[21] It provides real-time (24Hits) and daily (Daily Top 100) rankings. Its criteria are 40% streaming (for accounts verified by Korean phone number) and 60% downloads for the past 24 hours.[22]
Genie 4x 9,120 a subsidiary of KT Corporation, is the 2nd largest music service provider in South Korea and has 24% market share. It provides real-time (Top 100 Realtime) and daily (Top 100 Daily) rankings. Its chart calculation is based on 50% streaming and 50% downloads. Genie chart freezes from 1 AM KST until 7 AM KST daily but the streams are still counted during this period.[23]
Bugs! 1x 4,080 a Korean digital music streaming service and accounts for 5% market share. It provides real-time (Song Chart Realtime) and daily (Song Chart Daily) rankings. Similar to Genie, its chart also freezes from 1 AM KST until 7 AM KST.[24]
Vibe 2x 3,360 created by Naver in partnership with YG, and accounts for 10% market share.[25] It provides real-time (Today Top 100) chart data.
Flo No daily chart 5,040 a relatively new service provider that was created by SK Telecom in partnership with JYP, SM, and Big Hit. It accounts for 18% market share. It provides real-time data only.[26]
YouTube Music Weekly chart only 5,040 developed by YouTube and held the third-largest market share in Korea (19.22%).[27]. It provides weekly data only.[28]

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.[29]

Achievements

Top 10 songs with the most hourly PAKs

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

Rank Song Artist(s) Album PAK
(hours)		 Year Ref.
1 "Ditto"NewJeansOMG6552023 [30]
2 "Dynamite"BTSBe6102020
3 "Celebrity"IULilac4622021
4 "I Am"IveI've Ive3592023
5 "Any Song"ZicoRandom Box3302020
6 "Rollin'"Brave GirlsRollin'2622017
7 "Butter"BTSNon-album single2392021
8 "Lilac"IULilac2232021
9 "Beach Again"SSAK3Non-album single2082020
10 "Love Scenario"iKonReturn1752018
As of November 13, 2023

Artists with the most songs to achieve a PAK

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

Rank Artist Number Songs Ref.
1 IU 21 [4]
2 Big Bang 7
3 Twice 4
BTS
Ive
4 Busker Busker 3
Blackpink
Bolbbalgan4
(G)I-dle
5 2NE1 2
Psy
G-Dragon
Naul
  • "Memory of the Wind"
  • "Emptiness in Memory"
Sistar
  • "Give It to Me"
  • "Shake It"
Park Myung-soo
  • "I Got C"
  • "Leon"
MC Mong
  • "Miss Me or Diss Me"
  • "Fame"
Simon Dominic, One
  • "I'm Not The Person You Used To Know"
  • "Comfortable"
Bewhy
  • "I'm Not The Person You Used To Know"
  • "Forever"
Im Chang-jung
  • "The Love I Committed"
  • "There Has Never Been a Day I Haven't Loved You"
Heize
  • "Star"
  • "You, Clouds, Rain"
NewJeans
AKMU
  • "How Can I Love the Heartbreak, You're the One I Love"
  • "Love Lee"
As of November 13, 2023

References

  1. ↑ 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.
  2. ↑ "2010년 24주차 Digital Chart". Gaon Music Chart (in Korean). Archived from the original on November 25, 2016. Retrieved May 4, 2021.
  3. ↑ "Rule Changes & Notes About Charts". Allkpop. April 4, 2020. Archived from the original on May 7, 2021. Retrieved May 4, 2021.
  4. 1 2 "가수별 PAK 달성곡". iChart. Archived from the original on November 10, 2023. Retrieved November 13, 2023.
  5. ↑ "iChart". instiz.kr. September 20, 2009. Archived from the original on May 11, 2021. Retrieved May 11, 2021.
  6. ↑ "INSTIZ ICHART REAL TIME". vdvh.co. Archived from the original on May 13, 2021. Retrieved May 11, 2021.
  7. ↑ "Announcement From IChart About Excluding A Chart Made Netizens Happy And Worried At The Same Time". kbizoom.com. January 26, 2019. Archived from the original on May 13, 2021. Retrieved May 13, 2021.
  8. ↑ "Introduction of iChart". Amino. August 20, 2018. Archived from the original on May 13, 2021. Retrieved May 11, 2021.
  9. ↑ "iChart Rule Changes". Allkpop. April 4, 2020. Archived from the original on May 13, 2021. Retrieved May 13, 2021.
  10. ↑ "Digital Charts in Korea". onehallyu.com. July 28, 2016. Archived from the original on May 13, 2021. Retrieved May 13, 2021.
  11. ↑ Jun, R. (February 15, 2017). "Korean Music Charts Will No Longer Support Midnight Music Releases". Soompi. Archived from the original on May 13, 2021. Retrieved May 13, 2021.
  12. ↑ "IU continues to dominate Korean music charts". The Jakarta Post. March 30, 2017. Archived from the original on May 13, 2021. Retrieved May 13, 2021.
  13. ↑ Jun, R. (February 15, 2017). "Netizens Raise Protest About Korean Music Chart Reform". Soompi. Archived from the original on May 13, 2021. Retrieved May 13, 2021.
  14. ↑ "Instiz iChart are dumping Monkey3, Olleh, and Soribada rankings starting in May". asianjunkie.com. April 30, 2017. Archived from the original on February 10, 2023. Retrieved May 13, 2021.
  15. ↑ "Instiz iChart Making Changes to Their System". kpopsource.com. January 24, 2019. Archived from the original on May 13, 2021. Retrieved May 13, 2021.
  16. ↑ "The most hated music chart will officially be excluded from iChart: some are happy, some are worried". kbizoom.com. January 24, 2019. Archived from the original on May 13, 2021. Retrieved May 13, 2021.
  17. ↑ K, J. (May 20, 2020). "Genie Music Clarifies Their Own Plans For Realtime Chart After Melon Announces Major Changes". Soompi. Archived from the original on May 13, 2021. Retrieved May 13, 2021.
  18. ↑ Kim, D. (May 19, 2020). "Update: Melon Makes Major Changes To Chart System". Soompi. Archived from the original on May 13, 2021. Retrieved May 13, 2021.
  19. ↑ "How iChart Works". Amino. August 20, 2018. Archived from the original on May 13, 2021. Retrieved May 11, 2021.
  20. ↑ 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.
  21. ↑ 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.
  22. ↑ Jeong, Jee Won (July 9, 2018). "[공식입장] 주요 음원사이트, 실시간 차트 일부 폐지 '초강수'…"사재기 근절"". Naver (in Korean). Archived from the original on May 13, 2021. Retrieved May 13, 2021.
  23. ↑ ""사재기 시도 차단" 11일부터 '심야 실시간 차트' 운영 중지". Naver (in Korean). July 9, 2018. Archived from the original on May 13, 2021. Retrieved May 13, 2021.
  24. ↑ Kim, D. (July 9, 2018). "Music Sites Announce Real-Time Chart Freezing Times". Soompi. Archived from the original on May 13, 2021. Retrieved May 13, 2021.
  25. ↑ "Naver Vibe Hot Chart". ghls.com. July 9, 2018. Archived from the original on May 13, 2021. Retrieved May 13, 2021.
  26. ↑ "Flo Official Site". Archived from the original on April 16, 2019. Retrieved May 13, 2021.
  27. ↑ Dong, S. (January 17, 2022). "YouTube Music emerges as leading streaming platform in Korea". Korea Times. Archived from the original on April 4, 2022. Retrieved April 4, 2022.
  28. ↑ "YouTube Music charts: South Korea". YouTube Music. Archived from the original on January 17, 2022. Retrieved April 4, 2022.
  29. ↑ "Sistem Chart Musik di Korea". tirto.id (in Indonesian). Archived from the original on May 13, 2021. Retrieved May 4, 2021.
  30. ↑ "PAK (Perfect All Kill)". iChart. Archived from the original on November 10, 2023. Retrieved November 13, 2023.
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