Music of Africa

Given the vastness of the continent, the traditional music of Africa is historically ancient, rich, and diverse, with the different regions and nations of Africa having many distinct musical traditions.

Traditional music in most of the continent is passed down orally (or aurally) and is not written. In Sub-Saharan African music traditions, it also frequently relies heavily on percussion instruments of every variety, including xylophones, drums, and tone-producing instruments such as the mbira or "thumb piano."

The music and dance of the African diaspora, formed to varying degrees on African musical traditions, include American music and many Caribbean genres, such as Soca, Calypso (see kaiso) and Zouk. Latin American music genres such as the Bachata, Danzón, Samba, Rumba, Salsa, Tango, Cumbia, Bomba del Chota, Mambo, Merengue, Reggae, Compas, Milonga, Son, Guaracha, Punta, Cha-Cha-Cha, Plena, Conga, and other clave (rhythm)-based genres, were also founded on the music of enslaved Africans, and have in turn influenced African popular music.

Music radio

Music radio is a radio format in which music is the main broadcast content. After television replaced old time radio's dramatic content, music formats became dominant in many countries. Radio drama and comedy continue, often on public radio.

Music drives radio technology, including wide-band FM, modern digital radio systems such as Digital Radio Mondiale, and even the rise of internet radio and music streaming services (such as Spotify and Deezer).

How it works

The radio station provides programming to attract listeners. Commercial radio stations make profits by selling advertising. Public and community radio stations are sustained by listener donations and grants. Young people are targeted by advertisers because their product preferences can be changed more easily. Therefore, the most commercially successful stations target young audiences.

The programming usually cycles from the least attractive item, to most attractive, followed by commercials. The purpose of this plan is to build listener interest during the programming.

Keke Palmer discography

The discography of Keke Palmer, an American R&B singer-songwriter, consists of one studio album, one extended play, three mixtapes and seven singles. In 2005, Palmer signed a record deal with Atlantic Records. Palmer released her debut album So Uncool on September 18, 2007. The album failed to chart on the US Billboard 200, but did chart at number 85 on the R&B chart. The album was preceded by the lead single "Keep It Movin'". In 2010, Palmer was signed by the Chairman of Interscope Records, Jimmy Iovine, and began working on an album.

In January 2011, Palmer released her first mixtape Awaken. The mixtape was officially released on January 10, 2011, for downloads on mixtape-downloading websites. The first and only single released from the mixtape was "The One You Call". A music video was also released for the song. In July 2012, Palmer released the single "You Got Me" featuring Kevin McCall. The video for the single was released on July 11, 2012. Palmer released a self-titled mixtape Keke Palmer on October 1, 2012. It includes her new singles "You Got Me" & "Dance Alone" which have already been released. On May 16, 2013, Keke Palmer released a video showing her recording and performing a cover of Alicia Keys song "If I Ain't Got You".

Goodlyfe Crew

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Goodlyfe Crew is a Ugandan music group. Its main performers are Moses Radio (born Moses Nakintije Ssekibogo) and Weasel (born Douglas Mayanja). Starting as backing vocalists for the Ugandan musician Jose Chameleone, Radio and Weasel broke off from Chameleone's Leone Island Crew in 2008 to form the Goodlyfe Crew. Since then, the duo's songs have been successful on Ugandan radio. Starting with Nakudata in 2008, the duo went on to release Lwaki Onumya, Zuena, Nyambura and Bread and Butter. In mid-2008, the duo collaborated with other artists such as Rachel Kay, Blu*3, OS, Allan Toniks, GNL and Zambia's General Ozzy. More recently, they have performed live and collaborated with fellow Ugandan artist Keko.

History

Moses Radio's musical career began at Holy Cross Lake View Secondary School in Jinja, where he served as president of the Youth Alive Club. He composed musical projects for the club that succeeded in inter-school Youth Alive Club competitions. In 2002, Radio went to Kiira College Butiki in Jinja where he had a two-year break in his musical career while he concentrated on his high school studies. He joined Chameleone's Leone Island Crew in 2004. While working as Chameleone's backing vocalist, Radio released his own solos on Leone Island Records. These include Jennifer, Dagala, Wololo and Sweet Lady.Sweet Lady was well received, though Radio's public profile was still quite low. Weasel also released solo projects under the auspices of his elder brother's records, but it was his collaboration with Chameleone on Bomboclat that caught the audience's attention.

Radio

Radio is the use of radio waves is to carry information, such as sound, by systematically modulating some property of electromagnetic energy waves transmitted through space, such as their amplitude, frequency, phase, or pulse width. When radio waves strike an electrical conductor, the oscillating fields induce an alternating current in the conductor. The information in the waves can be extracted and transformed back into its original form.

Radio systems need a transmitter to modulate (change) some property of the energy produced to impress a signal on it, for example using amplitude modulation or angle modulation (which can be frequency modulation or phase modulation). Radio systems also need an antenna to convert electric currents into radio waves, and vice versa. An antenna can be used for both transmitting and receiving. The electrical resonance of tuned circuits in radios allow individual stations to be selected. The electromagnetic wave is intercepted by a tuned receiving antenna. A radio receiver receives its input from an antenna and converts it into a form usable for the consumer, such as sound, pictures, digital data, measurement values, navigational positions, etc. Radio frequencies occupy the range from a 3 kHz to 300 GHz, although commercially important uses of radio use only a small part of this spectrum.