Perfect All-Kill
Perfect All-Kill (Korean: 퍼펙트 올킬) or 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 shot up to rank 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] Aside from "Nagging", "Good Day" by IU, which topped the charts in December 2010, was also recognized as a perfect all-kill song.[4] The artist that holds the record for the most number of songs to achieve a PAK is IU with 21 songs.[5] The song with the most hourly PAKs is "Ditto" by NewJeans with 655 PAKs.[6]"'Dynamite' - 1st Song to Achieve Most Hourly PAKs". US BTS Army. October 16, 2020. Archived from the original on May 13, 2021. Retrieved May 3, 2021.</ref> "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 major music streaming services, including Melon, Genie, Bugs!, Vibe, Flo, and YouTube Music which provide real-time, daily, and weekly data.[7] The iChart has its own real-time and weekly rankings based on points given to songs.[8] The iChart is considered transparent as it calculates scores based on various agencies' ranking data, and updates its real-time and daily charts accordingly.[9] The users can also visit the source agencies’ websites directly to compare rankings. The records may be accessed by the public for three months.[10]
History
Before 2015, the iChart aggregated scores from 10 music service providers.[11] 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.[12]
In February 2017, Melon, Mnet, and Genie shifted its streaming calculation for real-time charts between 12 PM and 6 PM only.[13] 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.[14][15]
In May 2017, Olleh and Monkey3 was excluded from Instiz iChart ranking calculation and Naver Music score became doubled.[16]
In February 2019, Flo was added to the iChart.[17][18]
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.[19] The streams and downloads from the past 24 hours was calculated, rather than the past hour.[20]
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.[21]
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.[22]
| 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.[23] 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.[24] |
| 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.[25] |
| 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.[26] |
| Vibe | 2x | 3,360 | created by Naver in partnership with YG, and accounts for 10% market share.[27] 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.[28] |
| YouTube Music | Weekly chart only | 5,040 | developed by YouTube and held the third-largest market share in Korea (19.22%).[29]. It provides weekly data only.[30] |
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.[31]
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(s) |
|---|---|---|---|---|---|---|
| 1 | "Ditto" | NewJeans | OMG | 655 | 2022 | [6] |
| 2 | "Dynamite" | BTS | Be | 610 | 2020 | |
| 3 | "Celebrity" | IU | Lilac | 462 | 2021 | |
| 4 | "Any Song" | Zico | Random Box | 330 | 2020 | |
| 5 | "Rollin'" | Brave Girls | Rollin' | 262 | 2017 | |
| 6 | "Butter" | BTS | Non-album single | 239 | 2021 | |
| 7 | "Lilac" | IU | Lilac | 223 | ||
| 8 | "Beach Again" | SSAK3 | Non-album single | 208 | 2020 | |
| 9 | "Love Scenario" | iKON | Return | 175 | 2018 | |
| 10 | "Foolish Love" | MSG Wannabe | MSG Wannabe Special Album | 169 | 2021 | |
| As of March 30, 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 | No. of Songs | Song | Album | Year | Ref. |
|---|---|---|---|---|---|---|
| 1 | IU | 21 | "Nagging" | Non-album single | 2010 | [32] |
| "Good Day" | Real | |||||
| "The Story Only I Didn't Know" | Real+ | 2011 | ||||
| "You & I" | Last Fantasy | |||||
| "The Red Shoes" | Modern Times | 2013 | ||||
| "Friday" | ||||||
| "My Old Story" | A Flower Bookmark | 2014 | ||||
| "Leon" | Infinite Challenge Yeongdong Expressway Music Festival | 2015 | ||||
| "Twenty-Three" | Chat-Shire | |||||
| "Through the Night" | Palette | 2017 | ||||
| "Can't Love You Anymore" | ||||||
| "Palette" | ||||||
| "Autumn Morning" | A Flower Bookmark 2 | |||||
| "Bbibbi" | Non-album single | 2018 | ||||
| "Love Poem" | Love Poem | 2019 | ||||
| "Blueming" | ||||||
| "Give You My Heart" | Crash Landing on You O.S.T | 2020 | ||||
| "Eight" | Non-album single | |||||
| "Celebrity" | Lilac | 2021 | ||||
| "Lilac" | ||||||
| "Strawberry Moon" | Non-album single | |||||
| 2 | Big Bang | 7 | "Tonight" | Tonight | 2011 | |
| "Blue" | Alive | 2012 | ||||
| "Loser" | Made | 2015 | ||||
| "Let's Not Fall in Love" | ||||||
| "Fxxk It" | 2016 | |||||
| "Flower Road" | Non-album single | 2018 | ||||
| "Still Life" | Non-album single | 2022 | ||||
| 3 | Twice | 4 | "Cheer Up" | Page Two | 2016 | |
| "TT" | Twicecoaster : Lane 1 | |||||
| "Knock Knock" | Twicecoaster : Lane 2 | 2017 | ||||
| "Yes or Yes" | Yes or Yes | 2018 | ||||
| BTS | "Fake Love" | Love Yourself: Tear | ||||
| "Boy with Luv" | Map of the Soul: Persona | 2019 | ||||
| "Dynamite" | Be | 2020 | ||||
| "Butter" | Non-album single | 2021 | ||||
| 4 | Busker Busker | 3 | "Cherry Blossom Ending" | Busker Busker 1st Album | 2012 | |
| "If You Really Love Me" | Busker Busker 1st Wrap Up Album | |||||
| "Love, At First" | Busker Busker 2nd Album | 2013 | ||||
| Blackpink | "Whistle" | Square One | 2016 | |||
| "Ddu-Du Ddu-Du" | Square Up | 2018 | ||||
| "How You Like That" | The Album | 2020 | ||||
| Bolbbalgan4 | "Some" | Red Diary Page.1 | 2017 | |||
| "Travel" | Red Diary Page.2 | 2018 | ||||
| "Workaholic" | Two Five | 2019 | ||||
| 5 | 2NE1 | 2 | "Lonely" | 2NE1 | ||
| "I Am the Best" | ||||||
| Psy | "Gangnam Style" | Psy 6 (Six Rules), Part 1 | 2012 | |||
| "Gentleman" | Non-album single | 2013 | ||||
| G-Dragon | "That XX" | One of a Kind | 2012 | |||
| "Untitled, 2014" | Kwon Ji Yong | 2017 | ||||
| Naul | "Memory of the Wind" | Principle of My Soul | 2012 | |||
| "Emptiness in Memory" | Emptiness in Memory | 2017 | ||||
| Sistar | "Give It to Me" | Give It to Me (album) | 2013 | |||
| "Shake It" | Shake It (EP) | 2015 | ||||
| Park Myung-soo | "I Got C" | Infinite Challenge Jayu-ro Song Festival | 2013 | |||
| "Leon" | Infinite Challenge Yeongdong Expressway Music Festival | 2015 | ||||
| MC Mong | "Miss Me or Diss Me" | Miss Me or Diss Me | 2014 | |||
| "Fame" | Channel 8 | 2019 | ||||
| Simon Dominic, One | "I'm Not The Person You Used To Know" | Show Me the Money 5 Episode 1 | 2016 | |||
| "Comfortable" | Show Me the Money 5 Episode 2 | |||||
| Bewhy | "I'm Not The Person You Used To Know" | Show Me the Money 5 Episode 1 | ||||
| "Forever" | Show Me the Money 5 Episode 3 | |||||
| Im Chang-jung | "The Love I Committed" | I'm | ||||
| "There Has Never Been a Day I Haven't Loved You" | There Has Never Been a Day I Haven't Loved You | 2018 | ||||
| Heize | "Star" | Non-album single | 2016 | |||
| "You, Clouds, Rain" | /// (You, Clouds, Rain) | 2017 | ||||
| (G)I-dle | "Tomboy" | I Never Die | 2022 | |||
| "Nxde" | I Love | |||||
| As of March 30, 2023 | ||||||
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