Robert "Bob" Nesta Marley OM (February 6, 1945 – May 11, 1981) was a Jamaican singer-songwriter and musician. He was the lead singer, songwriter and guitarist for the ska, rocksteady and reggae bands The Wailers (1964 – 1974) and Bob Marley & the Wailers (1974 – 1981). Marley remains the most widely known and revered performer of reggae music, and is credited for helping spread both Jamaican music and the Rastafari movement, (of which he was a committed member), to a worldwide audience.