"Signal" is a song written by Ma-saya, Joker, Joey Carbone, Lisa Huang and Akira for the second single and second

studio album An album is a collection of audio recordings (e.g., music) issued on a medium such as compact disc (CD), Phonograph record, vinyl (record), audio tape (like 8-track cartridge, 8-track or Cassette tape, cassette), or digital distribution, dig ...

of the Japanese

boy band A boy band is a vocal group consisting of young male singers, usually in their Teenage, teenage years or in their twenties at the time of formation. Generally, boy bands perform love songs marketed towards girls and young women. Many boy bands ...

KAT-TUN was a Japanese boy band under Starto Entertainment. Their formation under Johnny & Associates was in 2001. The group's name was originally an acronym based on the first letter of each member's family name: Kazuya Kamenashi, Jin Akanishi, Junnos ...

. It was released on July 19, 2006 in

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

, and became the group's second consecutive number one single on the Oricon daily and weekly singles charts.

Release and promotion

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 A music video is a video that integrates a song or an album with imagery that is produced for promotion (marketing), promotional or musical artistic purposes. Modern music videos are primarily made and used as a music marketing device intended to ...

of the title track and a short film of the making of the music video.KAT-TUN/Signal w/ DVD, Limited Edition
CD Japan; retrieved on July 28, 2008. The single was used in a commercial for NTT DoCoMo's FOMA "9 Series"

cell phone A mobile phone or cell phone is a portable telephone that allows users to make and receive calls over a radio frequency link while moving within a designated telephone service area, unlike fixed-location phones ( landline phones). This radio ...

which all KAT-TUN members starred in. KAT-TUN performed the song on television for the first time on ''Utawara'', a variety talk show where they were already regulars alongside senpai

Jun Matsumoto is a Japanese singer, actor, radio host, and model. He is a member of the boy band Arashi, and is Arashi's concert producer as well as production advisor for other groups. He is best known to Japanese television drama audiences for his portraya ...

Arashi is a Japanese boy band consisting of five members formed under the Johnny & Associates talent agency. The members are Satoshi Ohno, Sho Sakurai, Masaki Aiba, Kazunari Ninomiya, and Jun Matsumoto. Arashi officially formed on September 15, 199 ...

, on July 16, 2006. They sang on

Fuji TV JOCX-DTV (channel 8), branded as or , is a Japanese television station that serves the Kantō region as the flagship (broadcasting), flagship station of the Fuji News Network (FNN) and the Fuji Network System (FNS). The station is owned-and- ...

's ''

Hey! Hey! Hey! Music Champ ''Hey! Hey! Hey! Music Champ'' was a Japanese music variety show on Fuji Television hosted by the comedy duo Downtown, which consists of Hitoshi Matsumoto and Masatoshi Hamada. It is a very popular show with comical hosts who like to pick on t ...

'' the day after and made their second appearance on

Masahiro Nakai is a Japanese former television personality, actor, radio personality, and singer. He debuted as the leader of the boy band SMAP, which had been the best-selling boy band in Asia. While working as a member of a boy band, he worked extensively as ...

's ''

Utaban was a Japanese music variety show, broadcast weekly from October 15, 1996 until March 23, 2010 on TBS. The name of the show is an abbreviation of , meaning "music program". A special version of the show, running for two hours, was occasionally a ...

'' on July 20. KAT-TUN performed on ''

Music Station , stylised in all caps, is a Japanese music television program. Broadcasting live weekly on TV Asahi since October 24, 1986, it currently airs from 9PM-10PM on Fridays. The program is also colloquially known as , , and . The show is currently sy ...

'' on July 21 and two days later, returned to ''Utawara'' where they performed two weeks in a row - the latter performance being a medley of "Six Senses", " Real Face" and the single itself. Other subsequent performances were on ''Utawara'' on October 1 and November 26 - the latter being a medley performance of "SIGNAL", "Shorty" and "Understandable" and '' Shounen Club'' on November 5, which

Yuichi Nakamaru , is a Japanese singer-songwriter, actor, television personality and radio host under Starto Entertainment. He joined the talent agency Johnny & Associates in 1998 and then officially debuted as part of KAT-TUN in 2006, group to which he belong ...

performed alone.

Chart performance and reception

Following the immensely successful chart performance of their debut single " Real Face", "SIGNAL" was released on July 19, 2006 and continued the band's chart-topping run on the

Oricon , established in 1999, is the holding company at the head of a Japanese corporate group that supplies statistics Statistics (from German language, German: ', "description of a State (polity), state, a country") is the discipline that ...

singles chart when it debuted at number 1 knocking off

Koichi Domoto is a Japanese idol, singer, actor, singer-songwriter, composer, lyricist, television personality, voice actor. Along with Tsuyoshi Domoto (with whom he has no blood-relation), he is a member of the duo Domoto, who holds the Guinness World Recor ...

'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 569,527 copies sold at the end of its chart run and was later certified Double Platinum by

RIAJ The is an industry trade group composed of Japanese corporations involved in the music industry. It was founded in 1942 as the Japan Phonogram Record Cultural Association, and adopted its current name in 1969. The RIAJ's activities include prom ...

denoting over 500,000 shipments. The single was honored at the 21st

Japan Gold Disc Awards The is an award presented by the Record music Industry Association of Japan in the field of music. The Japan Gold Disc Awards have multiple Grand Prix categories, including: Artist of the Year, Album of the Year, Song of the Year (download and ...

when it placed on the "Best 10 Singles (Domestic)" list along with " Real Face" and " Bokura no Machi de".July 2006 List of Certified
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Track listings

* Regular Edition * Limited Edition

Sales and certifications

References

{{DEFAULTSORT:Signal (Kat-Tun Song) KAT-TUN songs 2006 singles Oricon Weekly number-one singles Songs written by Joey Carbone Songs written by Koki Tanaka 2006 songs th:SIGNAL zh:Signal