edited November 2017
The Brazil track is Trio Ternura - Eta Eta, I think it was only released as a 7".
It's pitched down a bit there.
This is not the crate digging and bantz site you are looking for.
2 of the disco ones:
That second gospel one sounds really familiar
2nd gospel is 'thank you lord' by the Nelson Family, the album has a few good tracks on
First disco: Pepe Bradock "Demarre Le Chauve". The guitar is from Johnny Guitar Watson's "I'm gonna get you baby".
First gospel: Darryl Douglas "Holding On".