This is "sure thing" from a genre that has been over-looked thus far. The Wailers - Catch a Fire (1973)

Alongside The Harder They Come (movie and soundtrack), Catch a Fire changed the perception of reggae from eccentric, lightweight pop to a music of mystery and power. Dressed in a snappy Zippo lighter sleeve, and launched with rock razzmatazz, it delivered a polished, guitar-sweetened version of what Bob Marley, Peter Tosh and Bunny Wailer had made when white audiences weren't listening. By turns militant, mystic and sexy, it helped make Bob Marley the first Third World superstar. Without this...no Aswad or Steel Pulse, no native American or Maori or African reggae bands.

Hmmm. How about "Without this...no Ziggy Marley". Actually, I think Natty Dread from the following year was much better, although I have no idea which was more important or influential, but I'm sure someone will chime in soon.

Swish