Popular music or pop music is the name for music streams are heard widely by the audience and most of the commercial.

Popular music first developed in the United States in 1920 where the recording was first made by Thomas Edison's invention, are distinguished by Music Classical, Jazz Music, Traditional Music, Blues Music, and also spreads to other countries since worldwide. History   Classical Music Music Gregorian year 590

Classical music begins with the discovery of the Gregorian Notation tehun 590 by Pope Gregory the Great, in the form of notes of four beam lines, but there is no count notation. Pope Gregory during his lifetime has recorded songs of the Church with Gregorian notation. before the year 590 through the darkness there is no music written legacy that can be read.
Gregorian Notation 590 Years

Musical notation was born in the year 590, called the Gregorian Notation, invented by Pope Gregory the Great, in which previously experienced the darkness of the music there is no written legacy. During his lifetime the Pope Gregori have copied hundreds of songs of the Church in Gregorian notation. This notation memekai four beam lines as notes, but there is no rhythm notation (calculation based on the feelings of the singer. Here the nature of the song is still as a single song or monofoni.
Music Organum 1150-1400

At first people to sing with the same tone, or called Organum, the tone of the sung by women or children, while the low tones sung by men. Here there is a song composition octave, high voice (women / children) and low voice (male).
Music Diafoni 1400-1600

It turned out that not all can follow a high voice or sound low. By therefore decided to create a sound that is lower following the melody quart, quart quart high and low, and thus music is called music diafoni (he = two, foni = sound).
Basso Ostinato Year 1600

The Italians in the years around 1600 to find what is called the Basso Ostinato Bass engaged or stupid or crazy, a series of tones that move step by step downwards or upwards, later repeated at a series of other tones.
Polyphony Music Baroque Era 1600-1750

It turns out that follow the same voice with the melody becomes boring, then do not start to move in a parallel vote, then start with opposite directions. Composers Perluigi Giovani da Palestrina (1515-1594) was a pioneer on this subject, and composed the melody a lot of theories about music (polyphony), so that each tone or point (punctus = point) move either independently or in opposite (counter), here was born the theory of  counterpoint (counterpoint = kontrapunt).

Johan Sebastian Bach (1685-1750) was one of the masters of polyphony music with a very high kontrapun techniques, such as mathematical because prepared. Almost every composer of Baroque Era (1600-1750) set with techniques, such as George Frederic Handle from England, Jean Remeau from Pernacis, Correli from Italy, etc.. Folk songs in the style of polyphony was the Papa of Jacob.

At first people up with Kontrapun Bound or Strict Counterpoint, but then get  freedom based on the theory Kontrapun Free or Free Counterpoint.
Music Homofoni Classical Era 1750-1825

Further on Classical Era (1750-1825) found the composition tri-chord-based sound (triads), then expand with four votes or more. Such music was called Music Homofoni, so kontrapun become kontrapuntis melodic variations.
Classical Music Romantic Era 1820-1910

Almost no much change in the fundamental kontrapun and harmony in Romantic Era (1820-1910), but there is progress in orketrasi complete (with the invention of musical instruments). This era is the last and still be accepted by the public hearing. Especially in music, opera, the ballet music, and walsa Vienna.
Modern Classical Music 1910-present

Modern music with atonal music and Politonal been away from music fans who enjoyed conventional music, because sound is dissonant and irregular rhythm that requires concentration in the hearing.
History of Pop since 1920
Music Ragtime in the United States since 1890

Ragtime music or Chop-Pig, is an American music influenced by African-American ethnicity and European classical music. This music began to be recognized on the American mainland about 1890 until 1920. This music mempuyai fast tempo or rhythm with syncopation domination, but there is also a rhythmic rather slow.

This music is usually played with a special piano-style minced pork, and the pianist and creator of, among others, Scott Joplin (1868-1917), James Scott (1885-1938), and Joseph Lamb (1887-1959).
Music Blues in the United States since 1895

Blues music was born from the ethnic African Americans in the Mississippi Delta peninsula in the late nineteenth century around the year 1895 and lasted until now. This music was born from the life of the slaves who worked as a laborer in the African American race, at which time they work or rest in the afternoon they were in steady sad songs (blues), melodies typical African race, and of course with the lyrics of slave the oppressed at that time. At first blues song was sung without instrumental accompaniment, just the They later use the guitar as an accompaniment of stringed instruments.

Later this blues music influenced the development of jazz, country, and rock. Notice that the rhythm and blues music is very strong melodies with African races. Sometimes in poetry the story of their grief arises as slaves and agricultural laborers, and of course development is greatly influenced by the urban environment or in rural America, where the race to dominate African blues style.

The creators of the blues and blues musicians, the average American black people, is where WC Handy (1873-1958) was the father of the blues. Song Aunt Hagar's Children and the Saint Louis Blues, published respectively in 1914 and 1921.
Characters in the United States began in 1920

After the First World War ended (1918), the new music on the American continent was born the so-called popular music. Music is primarily as a music dance floor at that time became very popular and liked by people all over the world.
Music of Latin America since the 1857 birth

Creations with the creator at that time are among other Latin influence from George Bizets Hababera from the opera Carmen (1875); Scott Joplin's Mexican Serenade, Solace (1902); Maurice Rapsodie Espagnole Ravels (1907) and Bolero (1928).

Latin pop music latin dance known since the beginning, ie since the year 1920 as well. Tango dance to be one of the famous dance balroom in 1920 in the United States and Europe, where the song Tango bertangga minor and melancholic tone, as well as an aggressive step-dancing. After that know  1930 and 1940 developed into one of popular music in the world, with figures such as Xavier Cugat, Perez Prado, etc.. Rhythm that developed in the time it is rhumba, Samba, conga, Salsa, Mambo, etc..
Country Music since 1920

Country music often diidentitaskan with cowboy music (cow herd). This music was born in a country fiddle playing recordings with John Carson recorded "Little Log Cabin in the Lane" by Okeh Records in 1923. Then the birth record by Columbia in 1924 "Old Familiar Tunes". As is known steel guitar entered country in 1922, where Jimmie Tarlton met with Hawaiian guitarist Frank Ferera on the west coast of America.

Starting in 1927, over 17 years Carters recorded some 300 old-time ballads, traditional songs, country songs, etc.. Furthermore, in the 1930s and 1940s became a popular cowboy songs in all movies Hallywood. And in 1939 Boogie-woogie rhythm became famous.