@book { BackstageKisses,
    title = "Backstage Kisses",
    subtitle = "Songs für die Ewigkeit",
    author = "Nadine {Stenglein}",
    year = "2020",
    publisher = "dp DIGITAL PUBLISHERS GmbH",
    address = "Stuttgart, Deutschland",
    url = "https://shop.digitalpublishers.de/document/935865"
}