Deadfire: I don't think they will exist until they air in ep 179. We usually only find intro/outro in tv size before they release the singles.

Terracosmo:
I haven't heard songs by them. Are they good?

Kraco:
Apart from the first 2 songs (Wind and Harmonia with 25 eps each (for the first double episode ) the endings in Naruto only air between 12 and 14 eps (without taking in account all the double episodes)