I have written a song

Just now that I have written a song for her.
Justamente ahora que terminé la canción que le compuse.
In a humble attempt to popularize this peace formula I have written a song called The Peace Formula.
En un intento humilde para popularizar esta formula para la paz, he escrito una canción llamada La Formula para la Paz.
I have written a song, and I'd like to get your feedback.
He escrito una canción y me gustaría oír tus reacciones.
I have written a song, and it's called "Don't Slip On My Tears."
Escribí una canción, y se llama "No te resbales con mis lágrimas".
Palabra del día
el zorro