is the 37th single released by Japanese pop singer-songwriter Kumi Koda

Kumi Koda

, better known by her stage name , is a Japanese singer and songwriter from Kyoto, known for her urban and R&B songs. Having debuted in 2000 with the single "Take Back", Koda gained fame for her seventh single, "Real Emotion/1000 no Kotoba", the songs of which were used as themes for the video game...

.

Ai no Uta was released on September 12, 2007 in Japan. It follows 2006's Yume no Uta

Yume no Uta / Futari de...

" is Kumi Koda's 33rd single under the Rhythm Zone label. Both songs have their own covers for both the CD-only version and CD+DVD version.Unusually enough, the songs both use the same melody. The arrangements differ, as well as the lyrics and vocals—whereas "Yume no Uta" is a piano-driven power...

 as an autumn/wintertime love ballad. It was released in two versions: a CD+DVD version and a CD only version. The first press comes with an extra track. The B-side "Come Over" is the Sekai Judo 2007 theme song, and is upbeat. "Ai no Uta" is described as a song about the fleeting sadness of love, and how fragile and precious love is.

"Ai no Uta" was been certified by the RIAJ as being downloaded as a ringtone more than 1,000,000 times, and as a full-length download to cellphones more than 750,000 times.

Japanese CD

2. Come Over
3. (First Press Bonus Track)
5. Come Over (instrumental)

Japanese DVD

Charts

Oricon Sales Chart (Japan)

Release	Chart	Peak Position	First Week Sales	Sales Total	Chart Run
September 12, 2007	Oricon Daily Charts	2
	Oricon Weekly Charts	2	65,276	134,831	20 weeks
	Oricon Monthly Charts	9
	Oricon Yearly Charts	62

Chart procession and succession