Dhaanto is the most popular performing art in the Somali region in Ethiopia
Article by famous dhaanto artist Aar Maanta stating dhaanto is the origin of reggae music. A quick google search states reggae originated in the 1960's whereas dhaanto is about 100 years older.
"I even met Jamaican Rastafarians who visited from Shashamane. They acknowledged the fact that there is a similarity between Reggae and Dhaanto. I told them that because Dhaanto pre dated Reggae by at least forty years, well learned musicians in 1980′s Somalia used to say that Dhaanto was the origin of Reggae. Musically, Reggae and Dhaanto have very similar characteristics as their rhythmic patterns accents the second and fourth beats in each bar. That is the beauty of performing arts in bringing people together".
Its very possible the Rastafarians in Ethiopia were influenced by Dhaanto music and created reggae music. Reggae pulls from many genre's so its likely. The rhythms are the same. No wonder older Somalis love Bob Marley