When you're sitting around with a number of damaged ribs, you begin to think "How can I spread the pain around?"
Here's the answer. The answers to all the following clues contain the letters RIB in consecutive positions, but not necessarily in that order. ("Broken ribs" - geddit?

)
-1. One of the founders of the United Artists motion picture company
-2. Chemical element - one of the rare-earth group
-3. Farm cart, used especially during the French Revolution
-4. Martial piece of music designed to be played on bagpipes
-5. 1970 hit for Anne Murray
-6. Money offered in exchange for an illicit advantage
-7. Participant in a church service
-8. Residential area on the edge of a city
-9. Reduce in scope whilst retaining the essential elements
-10. Heartbeat irregularity
-11. Small burrowing desert rodent
-12. The words of an opera or musical play