"Dragostea Din Tei" (]    , "Love from the lindens", official English title: Words of Love), also informally known as "Ma Ya Hi" and "The Numa Numa Song" (see ), is the most successful single by the Moldovan pop group O-Zone, sung in Romanian.
 It shot to the number one spot on the Eurochart Hot 100, where it remained for 12 weeks between June and early September 2004.
 It topped the single charts in France, Germany and Austria for over three months, reached three in the United Kingdom and 72 on the US Pop 100.
 The song became the fourth-best-selling single of the 21st century in France, with 1,170,000 units sold.
 A popular cover of the song was made by Italian-Romanian pop singer Haiducii, which also charted in many countries, especially Italy and Sweden, where it topped the singles charts.
 The original song was made notable in the United States by the viral video of Gary Brolsma dancing to the song, calling it "Numa Numa".
"Unplayed Piano" is a 2005 single by the Irish singer-songwriter duo Damien Rice and Lisa Hannigan.
 It was released in June 2005 and appeared in a total of six charts, spending a total of twenty-five weeks there.
 It spent twelve weeks in the Irish Singles Chart after entering on 23 June 2005, breaking into the Top 10 and achieving a peak of fourth position.
 It remained in fourth position for two weeks before falling to seventh position where it spent a further three weeks.
 The song peaked at number 24 in the UK Singles Chart and number 36 in the Eurochart Hot 100 Singles.
 "Unplayed Piano" was released on the DRM label and featured Rice's usual backing band of Vyvienne Long, Tom Osander and Shane Fitzsimons.
"Mercy Me" is a song by the Chicago-based punk rock band Alkaline Trio, released as the second single from their 2005 album "Crimson".
 "Mercy Me" was released to radio on September 27, 2005.
 It peaked at No. 30 on the UK Singles Chart and No. 89 on the Eurochart Hot 100 Singles.
 The single was released as a CD backed with an acoustic recording of "Private Eye" as well as "Buried", a B-side from the album's recording sessions.
 It was also released as a set of two 7" records, backed with acoustic recordings of "This Could Be Love" and "Crawl".
The "Billboard" Hot 100 is a chart that ranks the best-performing singles of the United States.
 Its data, published by "Billboard" magazine and compiled by Nielsen SoundScan, is based collectively on each single's weekly physical and digital sales, as well as airplay and streaming.
 At the end of a year, "Billboard" will publish an annual list of the 100 most successful songs throughout that year on the Hot 100 chart based on the information.
 For 2005, the list was published on December 20, calculated with data from December 4, 2004 to November 26, 2005.
 The R&B track We Belong Together by American singer Mariah Carey was named the number 1 song of 2005 and it spent the longest time at number 1 for the year, 14 weeks.
 This is also the joint-second longest time at number 1 for a single in the 57-year history of the Hot 100 post-1958 inception, after Mariah Carey's own collaboration with Boyz II Men, One Sweet Day, which spent 16 weeks atop the Hot 100 from 1995 to 1996.
"Sweet Kisses" is a song by German dance-pop group Sqeezer.
 It was released to the world on 10 August 1996 as the third single from the album Drop Your Pants.
 "Sweet Kisses (The Hit Mixes)" was released on 11 October 1996.
 "Sweet Kisses" became a big hit ranking at #24 on the Eurochart Hot 100.
 "Sweet Kisses" peaked at #1 in Spain on the AFYVE.
"Too Much of Heaven" is a song written by Italian dance group Eiffel 65 and the third official single from their first album "Europop".
 The single was originally released in Italy on 11 May 1999.
 It was later released in Canada, the United States, Australia, New Zealand and in several European countries in March 2000.
 "Too Much of Heaven", peaked at number 20 for 9 weeks on the (Eurochart Hot 100).
 This was the last Eiffel 65 song to peak at number 1 on the Italian singles chart, and a top 10 hit in France and top 25 in Switzerland.
"Gimme Gimme" is a song written by Larry Pignagnoli and Davide Riva, and recorded by Danish singer Whigfield.
 It was released on the 4 November 1996.
 In 1997, Gimme Gimme went to number 14 in Australia and number 4 in Spain.
 "Gimme Gimme" also peaked at number 37 on the (Eurochart Hot 100) in late 1996.
"Time to Waste" is a song by the Chicago-based punk rock band Alkaline Trio, released as the first single from their 2005 album "Crimson".
 "Time to Waste" was released to radio on May 24, 2005.
 It peaked at #40 on "Billboard"'s Modern Rock Tracks chart, #32 on the UK Singles Chart, and #97 on the Eurochart Hot 100 Singles.
 It was backed with the B-side songs "We Can Never Break Up" and "Don't Say You Won't" from the album's recording sessions.
Numa Numa is an Internet meme based on a video by American vlogger Gary Brolsma made after the song "Dragostea Din Tei" as performed by O-Zone.
 Brolsma's video, entitled Numa Numa Dance, was released on December 6, 2004 on the website Newgrounds.com under the username "Gman250" and shows Brolsma lip-synching the hit song with lively gesticulations and dance moves, which later got taken down by the Newgrounds moderation team in late 2016.
 The video title is derived from the Romanian words ""nu mă nu mă"" that occur in the refrain of O-Zone's song.
 It was the first Numa Numa-themed video to gain widespread attention.
 Less than three months after the release, it had been viewed more than two million times on the debut website alone.
"Blue Jeans" ("Der Hit Mit Dem »Drop Your Pants«") is a song by German dance-pop group Sqeezer.
 It was released in May 1996 as the second single from the album Drop Your Pants.
 "Blue Jeans" ranked at #81 on the Eurochart Hot 100.
 The Song charted in Germany peaking at #16 on the Media Control Charts & #28 in Austria on the Austrian Singles Chart.
 In 1997 "Blue Jeans" peaked at #11 in Spain on the Productores de Música de España.

Question: How man weeks was the song that Numa Numa was based upon #1 on the Eurochart Hot 100?
Answer: 12 weeks