Pop music is a music genre that features a noticeable rhythmic element, melodies and hooks, a mainstream style and a conventional structure.The term "pop music" was first used in 1926 in the sense of "having popular appeal" (see popular music), but since the 1950s it has been used in the sense of a......

Music is an art form whose medium is sound organized in time. Common elements of music are pitch (which governs melody and harmony), rhythm (and its associated concepts tempo, meter, and articulation), dynamics, and the sonic qualities of timbre and texture. The word derives from Greek......

There are many candidates for the title of the first rock and roll record, but it is arguable whether any such thing exists. As with all forms of music, the roots of "rock and roll" are deep and wide. But it is clear that rock and roll developed during the period between 1916 – when the words......