Non-program music, also known as free-reform music or improvised music, is a type of musical expression without any preconceived structure. It is a form of music created spontaneously in the moment, in contrast to the more structured genres of classical, popular, or traditional music.

The type of music falls outside the scope of pre-defined genres, making it difficult to classify. Non-program music can be broadly categorized into three main types: improvisational, collective improvisation, and free-reform. Improvisational music is created in the moment through the process of spontaneous composition and performance. Collective improvisation involves the collective creation and performance of music with the shared understanding of the overall direction and structure. Free-reform music is an open-ended and highly creative form of music-making with an emphasis on musical exploration.

Some of the distinguishing features of non-program music include the reliance on improvisation, experimentation with sound, and absence of a predetermined structure. While this type of music is often more difficult to classify than other genres, it has been embraced by many as an exciting and expressive form of music making.

Non-program music is also commonly referred to as free-form music or improvisational music. It provides an opportunity for musicians to explore new possibilities and create unique sounds. In recent years, free-form music has become more popular as a creative outlet for musicians, giving them the freedom to explore new sounds and express their individual musicality. If you’re looking for an unconventional way to express yourself musically, non-program music could be the perfect fit.