Ouro Sobre Azul (Gold on Blue)

Whose song is Ouro Sobre Azul (Gold on Blue)?

Artist Album
Ernesto Nazareth
Odeon, Brejeiro, Apanhei-te Cavaquinho - Iara Behs (2003 Naxos 2
Nazareth
Tangos, Waltzes and Polkas - Iara Behs (Naxos 2005)