History of music videos

Music videos accompany a piece of music, most commonly a completed song. Modern music videos seem to be primarily made as a use of marketing intended to promote the music and also boost sales.
Which is why some people call the music videos 'promos' due to the fact they are a promotional device. Sometimes music videos are termed short-form music videos in order to distinguish them from full length movies pertaining to music. in the 1980s, the term "rock video" was often used to describe this form of entertainment, although the term is rarely used nowadays.
The earliest music videos were filmed in the mid 1950s however, as early as the 1920s, films by animators such as Oskar Fischinger were accompanied by music and labeled 'visual music'. Which is still mad today by animators such as Walt Disney and seen in kids television  for example 'Tom and Jerry', made in the 1940s, it seems to keep the foundations of the animations and music complementing each other on screen as discovered in the 1920s.
The 1950s and 1960s were the beginning of the common modern music videos we see today and one of the most influential bands at this time was the Beatles. With their first major motion picture 'A Hard Day's Night', the Beatles influenced a vast number of contemporary musicians, and countless subsequent pop and rock group music videos.
In the modern era the key innovationin the development of the modern music video was the ability to video record and the process of editing, along with the development in other related effects, such as chroma-key. This allowed many bands to produce promotional videos quickly and cheaply, in comparison to the high costs of using film.
In the 1980s MTV was launched making music videos have an aspect of importance, being watched by thousands the branding, style and meaning of the music video would represent the band. Artists began to use more sophisticated effects, adding a storyline or plot to the music video.