Is freestyle rap improvised?

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Tags

1. #creative
2. #before
3. #spontaneous
4. #might
5. #night
6. #should
7. #alone
8. #while
9. #ciphers
10. #rapping
11. #improvised
12. #funny
13. #sneak
14. #freestyle
15. #wrote
16. #spitting
17. #lyrics