Complex sentence: This event inspired Jones to research the conflict's origins, which grew into a lifelong artistic focal point, and he became a staunch supporter of the Palestinian cause, and often dedicated recordings to the Palestinian Liberation Organization or a free Palestine.
Split into simpler sentences: This event inspired Jones to research into the conflict's origins, which grew into a lifelong artistic focal point. Jones became a staunch supporter of the Palestinian cause, and often dedicated recordings to the Palestinian Liberation Organization or a free Palestine.