{{Use mdy dates|date=May 2025}} {{Infobox album | name = Best Ai | type = greatest | artist = Ai | cover = Ai - Best Ai.png | alt = | released = {{start date|2009|9|16}} | recorded = 2003–2009 | venue = | studio = | genre = {{hlist|R&B|hip hop|J-pop}} | length = 79:13 | label = {{hlist|Island|Universal Sigma}} | producer = | prev_title = Viva Ai | prev_year = 2009 | next_title = The Last Ai | next_year = 2010 }}
'''''Best Ai''''' is the first greatest hits album by Japanese-American singer-songwriter Ai, released on September 16, 2009, by Island Records and Universal Sigma. The album was released in three editions: limited CD+DVD, CD only and "Arienai Price" (low-priced) editions. ''Best Ai'' debuted at number 2 on the daily Oricon albums chart but switched back and forth between number 1 and number 2 several times during its release week. The album went on to debut atop the weekly albums chart with 81,663 copies sold, beating the second-place holder Takeshi Tsuruno's ''Tsuruno Oto'' by merely 1,332 units and becoming her first number-one album.<ref>{{cite web|url=http://hochi.yomiuri.co.jp/entertainment/news/20090922-OHT1T00001.htm |title=AI、ベスト盤で初のオリコン1位獲得 |work=Yomiuri Shimbun |accessdate=2009-09-22 |date=2009-09-22 |url-status=dead |archiveurl=https://web.archive.org/web/20090925184159/http://hochi.yomiuri.co.jp/entertainment/news/20090922-OHT1T00001.htm |archivedate=September 25, 2009 }}</ref>
The album is certified Platinum for shipment of 250,000 copies.
==Track listing== {{track listing | title1 = Story | lyrics1 = Ai | music1 = 2 Soul | length1 = 4:50 | title2 = Believe | lyrics2 = Ai | music2 = Ai, DJ Yutaka, Jin | length2 = 5:14 | title3 = One | lyrics3 = Ai | music3 = Toshiaki Matsumoto | length3 = 5:04 | title4 = You Are My Star | lyrics4 = Ai | music4 = Ai, Uta | length4 = 4:39 | title5 = So Special | lyrics5 = Ai, Atsushi | music5 = Ai, Atsushi, Uta | note5 = with Atsushi | length5 = 4:14 | title6 = Taisetsu na Mono | note6 = {{nihongo2|大切なもの}} "Precious Things" | lyrics6 = Ai | music6 = Ai, The Company | length6 = 5:18 | title7 = Okuribito | note7 = {{nihongo2|おくりびと}} "Departures" | lyrics7 = Ai | music7 = Joe Hisaishi | length7 = 3:40 | title8 = I'll Remember You | lyrics8 = Ai | music8 = Ai, Jonas Jeberg, Anders Bagge, Sylvia Bennett-smith, Marc Smith | length8 = 4:00 | title9 = My Friend | note9 = {{nihongo2|マイ☆フレンド}} | lyrics9 = Ai | music9 = Ai, Kazunori Fujimoto | length9 = 4:27 | title10 = Music | lyrics10 = Ai | music10 = T. Kura, Ai | length10 = 3:59 | title11 = I Wanna Know | lyrics11 = Ai | music11 = Ai, DJ Watarai, Jin | length11 = 4:15 | title12 = Life | lyrics12 = Ai, Stephanie Stokes Fountain | music12 = Ai, Stephanie Stokes Fountain | length12 = 4:56 | title13 = E.O. | lyrics13 = Ai | music13 = 2 Soul | length13 = 4:01 | title14 = Another Day | lyrics14 = Ai | music14 = Ai, Daniel O. Morgan, Icedown | length14 = 5:27 | title15 = 365 | lyrics15 = Ai, Deli | music15 = Aquarius, Ai | note15 = featuring Deli | length15 = 4:10 | title16 = Last Words | note16 = {{nihongo2|最終宣告}} | lyrics16 = Ai | music16 = Ai, Lofey, Skane Management, Desert Storm | length16 = 3:26 | title17 = All For You | lyrics17 = Ai, Daisuke "D.I" Imai | music17 = Daisuke "D.I" Imai | note17 = Movie Short Version | length17 = 2:01 | title18 = Story | lyrics18 = Ai | music18 = 2 Soul | note18 = Re-born | length18 = 5:32 }} {{track listing | headline = Limited edition DVD | title1 = Last Words | note1 = Music Video | title2 = Thank U | note2 = Music Video | title3 = My Friend | note3 = Music Video | title4 = Story | note4 = Music Video | title5 = Believe | note5 = Music Video | title6 = I Wanna Know | note6 = Music Video | title7 = | note7 = featuring Deli) (Music Video }}
{{track listing | headline = "Arienai Price" edition | title1 = Story | lyrics1 = Ai | music1 = 2 Soul | length1 = 4:50 | title2 = Believe | lyrics2 = Ai | music2 = Ai, DJ Yutaka, Jin | length2 = 5:14 | title3 = One | lyrics3 = Ai | music3 = Toshiaki Matsumoto | length3 = 5:04 | title4 = You Are My Star | lyrics4 = Ai | music4 = Ai, Uta | length4 = 4:39 | title5 = So Special | lyrics5 = Ai, Atsushi | music5 = Ai, Atsushi, Uta | note5 = with Atsushi | length5 = 4:14 | title6 = Taisetsu na Mono | lyrics6 = Ai | music6 = Ai, The Company | length6 = 5:18 | title7 = Okuribito | lyrics7 = Ai | music7 = Joe Hisaishi | length7 = 3:40 | title8 = I'll Remember You | lyrics8 = Ai | music8 = Ai, Jonas Jeberg, Anders Bagge, Sylvia Bennett-smith, Marc Smith | length8 = 4:00 | title9 = My Friend | lyrics9 = Ai | music9 = Ai, Kazunori Fujimoto | length9 = 4:27 | title10 = Music | lyrics10 = Ai | music10 = T. Kura, Ai | length10 = 3:59 | title11 = I Wanna Know | lyrics11 = Ai | music11 = Ai, DJ Watarai, Jin | length11 = 4:15 | title12 = Life | lyrics12 = Ai, Stephanie Stokes Fountain | music12 = Ai, Stephanie Stokes Fountain | length12 = 4:56 | title13 = E.O. | lyrics13 = Ai | music13 = 2 Soul | length13 = 4:01 | title14 = Another Day | lyrics14 = Ai | music14 = Ai, Daniel O. Morgan, Icedown | length14 = 5:27 | title15 = 365 | lyrics15 = Ai, Deli | music15 = Aquarius, Ai | note15 = featuring Deli | length15 = 4:10 | title16 = Last Words | lyrics16 = Ai | music16 = Ai, Lofey, Skane Management, Desert Storm | length16 = 3:26 }}
== Charts == {{col-begin}} {{col 2}}
===Weekly charts=== {| class="wikitable sortable plainrowheaders" style="text-align:center" |+ Weekly chart performance for ''Best Ai'' ! scope="col"| Chart (2009–2010) ! scope="col"| Peak<br />position |- ! scope="row"| Japanese Albums (Oricon)<ref>{{cite web|url=https://www.oricon.co.jp/prof/1374/products/832532/1/|title=Best A.I. |website=Oricon|language=ja|access-date=December 24, 2022}}</ref> | 1 |- ! scope="row"| Japan Albums Chart (SoundScan)<ref name="soundscan">{{cite web|url=https://www.phileweb.com/ranking/cd-top20/1336.html|title=週刊 CDソフト TOP20|work=SoundScan|accessdate=2010-02-05}}</ref><br />''CD+DVD'' | 2 |- ! scope="row"| Japan Albums Chart (SoundScan)<ref name="soundscan" /><br/ >''CD-only'' | 4 |- ! scope="row"| Japanese Top Albums (''Billboard Japan'')<ref name="billboard">{{cite web|url=http://www.billboard-japan.com/system/jp_charts/top_albums/page:19|title=Top Albums｜JAPAN Charts｜Billboard JAPAN|work=Billboard|accessdate=2010-02-05|url-status=dead|archiveurl=https://web.archive.org/web/20111004040455/http://www.billboard-japan.com/system/jp_charts/top_albums/page%3A19|archivedate=2011-10-04}}</ref> | 1 |- ! scope="row"| Taiwan J-Pop Chart (G-Music)<ref name="jpop">{{in lang|zh}} On the drop down Select 第43週 {{cite web|url=http://www.g-music.com.tw/GMusicBillboard3.aspx/|title=G-Music 風雲榜 (東洋榜)|work=G-Music|accessdate=2010-02-05|archive-date=2009-09-17|archive-url=https://web.archive.org/web/20090917084454/http://www.g-music.com.tw/GMusicBillboard3.aspx|url-status=dead}}</ref> | 18 |- ! scope="row"| Taiwan J-Pop/K-Pop Chart (Five Music)<ref name="fivemusic">{{cite web|url=http://www.5music.com.tw/CDTop.asp?top=2&pWeek=200942&sclass=|title=Five Music - 五大唱片(5大唱片) -五大金榜|work=Five Music|accessdate=2010-02-05|language=zh|archive-date=July 20, 2011|archive-url=https://web.archive.org/web/20110720203606/http://www.5music.com.tw/CDTop.asp?top=2&pWeek=200942&sclass=|url-status=dead}}</ref> | 14 |- ! scope="row"| South Korean Albums (Circle)<ref>{{Cite web |title=Circle Album Chart – Week 5 of 2010 |url=https://circlechart.kr/page_chart/album.circle?nationGbn=E&targetTime=05&hitYear=2010&termGbn=week&yearTime=3 |url-status=live |archive-url=https://web.archive.org/web/20221209073127/https://circlechart.kr/page_chart/album.circle?nationGbn=E&targetTime=05&hitYear=2010&termGbn=week&yearTime=3 |archive-date=December 9, 2022 |access-date=December 9, 2022 |website=Circle Music Chart |language=Korean}}</ref> | 46 |- |}{{col 2}}
===Monthly charts=== {| class="wikitable plainrowheaders" style="text-align:center" |+ Monthly chart performance for ''Best Ai'' ! scope="col" | Chart (2009) ! scope="col" | Peak<br />position |- ! scope="row" | Japanese Albums (Oricon)<ref name="monthly">{{cite web|url=https://www.oricon.co.jp/rank/ja/m/|title=アルバム 月間ランキング-ORICON STYLE ランキング|work=Oricon|accessdate=2010-02-05}}</ref> | 5 |}
===Year-end charts=== {| class="wikitable sortable plainrowheaders" style="text-align:center" |+ Year-end chart performance for ''Best Ai'' ! scope="col" | Chart (2009) ! scope="col" | Position |- ! scope="row" | Japanese Albums (Oricon)<ref name="yearly">{{cite web|url=https://www.oricon.co.jp/rank/ja/y/|title=アルバム 年間ランキング-ORICON STYLE ランキング|work=Oricon|accessdate=2010-02-05}}</ref> | 35 |} {{col-end}}
== Certifications == {{certification Table Top|caption=Certifications and sales for ''Best Ai''}} {{Certification Table Entry|region=Japan|award=Platinum|certyear=2009|certmonth=10|title=BEST A.I.|artist=AI|type=album|accessdate=December 24, 2022|note=|relyear=2009}} {{Certification Table Bottom|nosales=false}}
== See also ==
* List of Oricon number-one albums of 2009
==References== {{reflist}}
==External links== * {{official website|https://www.universal-music.co.jp/ai/}}
{{Ai (singer)}} {{Authority control}} Category:2009 greatest hits albums Category:Ai (singer) compilation albums Category:Island Records compilation albums Category:Universal Sigma compilation albums