Related Clues:
- Like the Smashing Pumpkins' rat
- Like animals in a 42-Across
- Cooped up
- A hundred old people in prison
- Where some ticket selling is done
- Pent-up
- Many grew old in prison
- Boxed disc covering a period
- Many grew old behind bars
- Composer died in prison?
- Conservative leader past it? Shut up!
- Criminal initially got old behind bars
- Penned most of page in post-7 medium
- Like pet birds, often
- Visiting the vet, maybe