These are my proceedings of the 3rd Session of the Sant Cugat Forum on Astrophysics, held in beautiful Sant Cugat, near Barcelona on April 22-25, 2014. My contribution is this paper: have a look if you want to know more about rival families in spinning black-hole binaries.

Davide Gerosa. 
Astrophysics and Space Science Proceedings 40 (2015) 137-145.