gistfile1.txt

url = "https://genius.com/Joyner-lucas-isis-lyrics"

def news():
    global lyrics

    page = urlopen(Request(url, headers={'User-Agent': 'Mozilla'}))
    soup = BeautifulSoup(page, "html.parser")
    lyrics = soup.p.text.strip()

news()


class MyFloatLayout(FloatLayout):
    mylabel = ObjectProperty("")
    
    def on_mylabel(self, instance, value):
        if self.mylabel is not None:
            self.mylabel.text = lyrics

    def btn(self):
        news()
        print(lyrics)


class MyApp(App):
    def build(self):
        Window.clearcolor = (.13, .13, .13, 1)
        return MyFloatLayout()



if __name__ == "__main__":
    MyApp().run()

gistfile2.txt

<Button>:
    font_size: 40
    color: 0.1,0.5,0.6,1
    size_hint: 0.3, 0.1



<MyFloatLayout>:

    Label:
        pos_hint:{"top":1}
        id: mylabel
    


    Button:
        pos_hint:{"bottom":1}
        text: "RE-SEARCH"
        font_size: 10
        on_press: root.btn()