Final answer:
Bob Marley was the member of The Wailers who sang with the group. They played a significant role in popularizing reggae music, which is linked with the Rastafarian movement.
Step-by-step explanation:
The person who sang with The Wailers was A. Bob Marley. Bob Marley, along with Peter Tosh and Bunny Wailer, were the original members of The Wailers. Reggae music, which originated in Jamaica in the 1960s, was popularized by these artists and became deeply intertwined with the Rastafarian movement. Musicians worldwide, from the Beatles to Eric Clapton, have incorporated reggae rhythms into their music, signifying its global influence. The catchy rhythms and the unique offbeat accents that are characteristic of reggae have been pivotal in shaping the sound of Jamaican music and in elevating the genre to international prominence.