The relationship between the two is as follows:

There is a certain relationship between Southeast Asian music and Khmer music. Khmer music is a part of Southeast Asian music and a traditional music form in Cambodia. Khmer music has unique characteristics and styles, such as the use of metal percussion instruments, special combinations of melody and rhythm, etc.

However, there are certain differences between Khmer music and music in other parts of Southeast Asia. For example, Khmer music is rhythmically complex and uses a variety of different rhythm patterns, including double beats and triple beats. In addition, the melody of Khmer music also has its own unique style, usually using techniques such as pentatonic scale and portamento.