"Romantic nostalgia" refers to a wistful and sentimental longing for past romantic experiences or an idealized version of love and relationships in the past. Full definition
There is an enormous current of romantic nostalgia among many sectors of intellectual life — the religious right, the green left. (newscientist.com)
Through the nocturne, artists today can reconcile romantic nostalgia with the harshness of modern life to depict worlds both real and imagined, brutal and sublime.» (staythirstymedia.com)
Susan Lubowsky Talbott: «The subject of the nocturne with its sense of mystery, beauty and even foreboding is one that has long intrigued artists... Through the nocturne, artists today can reconcile romantic nostalgia with the harshness of modern life to depict worlds both real and imagined, brutal and sublime.» (staythirstymedia.com)