Dr Sir Warrior, born Christogonus Ezebuiro Obinna on May 1, 1947, was a towering figure in the Igbo highlife music scene. Rising to prominence in the 1970s, he was the leader and founder of the Oriental Brothers International Band which played a crucial role in the evolution and popularity of highlife music in Nigeria. His unique blend of traditional Igbo music, highlife, and Congolese soukous not only captivated audiences in Nigeria but also found fans across Africa and beyond.

Dr Sir Warrior was known for his soulful voice, philosophical lyrics, and the ability to seamlessly fuse modern and traditional instrumentation, creating a sound that was both innovative and deeply rooted in Igbo cultural heritage. The titles of his songs, such as "Agwo Loro Ibe Ya," and "Akaraka," showcase the linguistic and thematic elements of Igbo culture that he wove into his music. He addressed social and personal themes, ranging from the trials of success in "My Success" to reflections on fortune in "Ndi Ji Ego," cementing his place as an influential voice in the Nigerian and African music spheres. His music's popularity endures, with a fan base that continues to appreciate his work for its artistry and cultural significance, long after his passing on June 2, 1999.