What's the longest Pink Floyd song?

Related questions

1. Did Rolling Stones write their own songs?
2. What is Metallica's longest song?
3. Who wrote Toxic for Britney Spears?
4. Which songwriter has the most hits?
5. What is the shortest song ever made?
6. What does the song Hey Jude by the Beatles mean?
7. Who's the richest songwriter of all time?
8. Did the Beatles do psychedelics?
9. What Beatles album is Hey Jude?
10. What is the shortest movie of all time?

Tags

1. #third
2. #mother
3. #longest
4. #heart
5. #diamond
6. #catalogue
7. #floyd
8. #after
9. #shine
10. #segments
11. #crazy
12. #echoes
13. #combined