S I N G L E S  The basic formal structures found in popular music played on the radio comes from the late 1800s when the gramophone groove-width together with manufacturing limits (the gramophone size) exerted a direct effect on the composition of music: Songwriters and performers increasingly tailored their music to fit the new format. In 1949 RCA introduced the 7" - 45 rpm record that removed the time limit, and in the mid' 1960s some singles challenged the 3-minute-format, among them the songs  Like a Rolling Stone ( 6:07 ) and Hey Jude ( 7:20 ). The radio´s need to play one song too many, or more, times a day is a misunderstanding. Nevetheless, this particular need has been the field where large parts of the record industry grow their seeds, and since that in turn has given a lot of music solely made for-, and triumphing with massive air-play ... The book Repetition by Constantin Constantius was published in 1843! Ok, first, before we draw any conclusions, lets talk a little bit about the nature and the origin of the phenomenon radio.

R A D I O   Radio excels with it’s ability to convey audio-visual content without any visual content. Actually, radio is the transmission of signals of modulations of electromagnetic waves with frequencies below those of visible light. The first audio transmission to be called radio broadcast is claimed to have been aired in 1906. The prefix radio springs from the word radioconductor based on the Latin word radius, which means "spoke of wheel, beam of light, ray" and became a common word by the time of the first commercial brooadcasts in the 1920s. The noun broadcast comes from the agricultural term scattering seeds widely. Seeds serve several functions for those who produce them. Key among these functions are nourishment of the embryo, dispersal to a new location, and dormancy during unfavorable conditions. Seeds fundamentally are a means of reproduction and most seeds are the product of sexual reproduction which produces a remixing of genetic material and phenotype variability that natural selection acts on.