During his career, he was very popular and always performed in sold-out arenas and stadiums. Despite his popularity, he rarely released a studio album since he worked purely as a live singer. He also played many different instruments, including the oboe, drums, piano, oud, clarinet and guitar. He was involved in all aspects of the composition of his songs. Halim introduced many new instruments to the Arab World. He was known for his deep passion in his songs and his unique voice. Halim performed in almost every country in the Arab World as well as outside the Arab World, including several concerts in Europe. Moreover, he sang uplifting patriotic songs for not only his native Egypt whom he dedicated tens of patriotic songs, but also some songs dedicated to other countries in the Arab World such as Lebanon, Syria, Tunisia, Algeria and Morocco during their revolutions and wars. He used to encourage and help many young artists and actors to pursue successful careers.