Bob Dylan releases first original song in 8 years

Bob Dylan has released his first track in eight years -- a 17-minute song about the assassination of US President John F. Kennedy. The 78-year-old singer-songwriter shared a link to the track, called "Murder Most Foul," on Twitter on Thursday night. Sharing the link on Twitter, Dylan wrote: "Greetings to my fans and followers with gratitude for all your support and loyalty across the years. 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."