Mustaine has stated that concept for "Promises" is "prejudiced relationships," such as those between a Catholic and a Protestant in Ireland, interracial and same-sex relationships, "it could be about a guy and a sheep for all I care.
Mustaine je komentirao kako tematiku skladbe "Promises" čine "pristrane veze" poput onih između katolika i protestanata u Irskoj, međurasnih i istospolnih veza; "što se mene tiče, bi mogla biti o čovjeku i ovci.