He had launched two music albums Arun and The best of Arun Thapa. Both of the albums were very popular among the Nepalese music listeners. His songs like Ritu haruma timi hariyali basanta hau.., bhulu bhulu lagyo malai… have touched the heart of millions Nepali music lovers.
According to the survey done by BBC, his song “Ritu hauram timi” ranked seventh spot in the world greatest music. Most of his songs are of tragic flavor. Some of his most popular songs are” Ritu haruma timi.., Jati maya laye pani…, Bhulu bhulu lagyo malai…, Chot k ho betha k ho….