Both characters have very good relationship. On side-note: I mainly view as room-mates, best buddies, friends forever.
Here is links to Tribute videos
1) Vinyl & Octavia Tribute: https://youtu.be/XXP8XjnxeK8
2) Octavia and DJ Pon3 Human Tribute: https://youtu.be/LHoeEXes2e8
3) Octavia & Vinyl Scratch tribute: https://youtu.be/NI3uXcYFtv8
Bonus:
1) Speed Drawing MLP – Vinyl Scratch and Octavia: https://youtu.be/PSgWDk6y9Vc
jonglass111 