from bs4 import BeautifulSoup


def lyrics_from_letrasmus(html):
    """Extracts lyrics from the html of a webpage of 'letras.mus.br'."""

    lyrics = ''
    soup = BeautifulSoup(html, 'html.parser')
    verses = soup.select('.cnt-letra article p')

    for para in verses:
        lyrics += para.get_text('\n') + '\n\n'

    return lyrics