Moreover, they have difficulty pronouncing
the primary stresses in English words [8, 9]. To reduce the errors in communication for Thai learners who learn English as a foreign
language, learning word stress and intonation is absolutely essential.
Advancements in information technology have helped people to connect more easily with each other. Moreover, anybody with access to the Internet can search for information from anywhere in the
world. So, technology and computers are very important in everyday life. In Thailand, there are only a few suitable programs for teaching English word stress, sentence stress and intonation at the Thai university level. This research will focus on the lessons regarding English word stress, sentence stress and intonation for second year English students at Khon Kaen University studying one of these so-called suitable programs. The potential benefits of this type of courseware has led to its inclusion in this research as it covers the development of computer-assisted musical pronunciation courseware for teaching English supraseg mentals to Business English learners at Khon Kaen University