The English translation of pure music is: absolute music

Light music refers to light music.

Pure music (idiom in the field of music): Pure music is music whose original intention of composing does not include lyrics. As pure music, this music mode completely uses pure and beautiful music to describe and express the author's emotions, so it is generally referred to as pure music. Although it has no lyrics, it totally pulls it off to perfection with its own beautiful tune. Because of this, the requirements for pure music composition are very high. In order to create an excellent piece of pure music, in addition to the necessary amount of inspiration to support the composition, the author also needs to be knowledgeable not only in music theory, but also in life experience, personality and spirit. Very deep level of attainments. :

Light Music: also known as "emotional music", refers to instrumental music works in popular music (the accurate concept should be commercial music, that is, music created with the main purpose of making profit), excluding Rock music, disco and other music with strong rhythm.

Light music interprets music in a popular way, and its source can be original or adapted from classical music, pop music or folk music. Light music is generally played by small bands, with simple structure, bright rhythm and beautiful melody. Light music can create a warm and romantic atmosphere with a casual nature. Light music originated in Britain after World War I, reached its peak in the mid-to-late 20th century, and was gradually replaced by New Age music at the end of the 20th century, but it still has a certain influence today.