Harmonies were arranged by Jennifer Warnes.
Backing vocals on track 1 were arranged by Jennifer Warnes.
Luiz Briseño conducted the mariachi band on track 5.
Filipe Perez played biguela on tracks 5 and 10(currently credited with guitar).
Everado Sandoval played guitarrón on tracks 5 and 10.
Jeremy Lubbock conducted the string instruments on track 6 and 9.