Legendary singer-songwriter Bob Dylan, releasing his first song in eight years, decided to swing big, tackling the traumatic 1963 assassination of U.S. President John F. Kennedy.

“Greetings to my fans and followers with gratitude for all your support and loyalty across the years,” Dylan, 78, wrote on Twitter Friday.

“This is an unreleased song we recorded a while back that you might find interesting. Stay safe, stay observant and may God be with you. Bob Dylan,” added the Nobel laureate.

Named “Murder Most Foul,” the 17-minute song hits on key events from the 1960s in addition to the JFK

Read more: One legend meets another, as Dylan releases song on JFK