Bob Marley was a Jamaican singer-songwriter and musician who is widely regarded as one of the most influential reggae artists of all time. He was the leader of the band The Wailers, and his songs such as 'No Woman No Cry' and 'One Love' are some of the most recognizable reggae songs in the world. Marley's music was heavily influenced by his Rastafarian faith, and he is credited with helping to spread reggae music around the world.