Complex sentence: By 1980, Danko and Manuel had begun to tour regularly as an acoustic duo; along with Hudson, Manuel played on several instrumental cues composed by Robertson for the soundtrack of "Raging Bull" (1980).
Split into simpler sentences: By 1980, Danko and Manuel had begun to tour regularly as an acoustic duo. Along with Hudson, Manuel played on several instrumental cues composed by Robertson for the soundtrack of "Raging Bull" (1980).