Released : July 19, 2006 (Japan)
Format : CD
Recorded " 2006
Genre : J-Pop
Length : 3:39
Label : J-One Records
It was released on July 19, 2006 in Japan, and became the group's second consecutive number one single on the Oricon daily and weekly singles charts.
The single was released in two pressings - a regular version with instrumental versions of all the songs and a limited edition containing the songs, the music video of the title track and a short film of the making of the music video.[1] The single was used in a commercial for NTT DoCoMo's FOMA "9 Series" cell phone which all KAT-TUN members starred in.
Continued the band's chart-topping run on the Oricon singles chart when it debuted at number 1 knocking off Koichi Domoto's double a-side single "Deep in Your Heart/+Million But -Love" by selling 450,752 copies in its first week. The song was certified as the fifth best-selling song of 2006 by Oricon with reportedly 566,233 copies sold at the end of its chart run. The single was honored at the 21st Japan Gold Disc Awards when it placed on the "Best 10 Singles (Domestic)" list along with "Real Face" and "Bokura no Machi de".
Track List
* Normal Edition
1. "Signal"
Ma-saya (lyrics), Joker (rap), Joey Carbone & Lisa Huang (music), Akira (arrangement) 3:39
2. "I'll be with You"
Yuuki Shirai (lyrics), Shusui, Carl Sahlin, Peter Ledin and Peter Moden (music), Seikou Nagaoka (arrangement) 3:30
3. "Signal (Instrumental)"
4. "I'll be with You (Instrumental)"
* Limited Edition
1. "Signal"
2. "I'll be with You"
3. "Signal (music video)"
4. "I'll be with You (making of music video)"
credit : wikipedia