Punctualism

The term concerns a style in the 20th-century composition which is based not on a linear sequence of notes but on their isolation from one another. 

Also Pointilism, Point music, Punctual music

In music, the term concerns a style in the 20th-century composition which is based not on a linear sequence of notes but on their isolation from one another. The resulting musical texture is similar to the technique of painting developed at the end of 19th century and called pointilism.