"Before she came to China, Dona Rosa had never performed in a theater. She performs on streets mostly," recalls Liu, adding that the debut China tour took Rosa and her band－Raul Abreu on Portuguese guitar and vocals, and Tiago Pirralho on accordion－to three Chinese cities, including Beijing, Wuhan in Hubei province and Baotou in the Inner Mongolia autonomous region. "She performs onstage in a wheelchair. Though she went through hardships, she still smiles warmly."

Liu adds that he got to know Rosa after being introduced by the traditional Tuvan group Huun-Huur-Tu and was soon captivated by the singer's voice, which is powerful and full of stories.

"Many fans who watched Rosa's concerts in China donated and sent messages saying that Rosa's voice moved them deeply and has haunted their memories ever since," Liu says. "With the viral outbreak, which affected everyone's life, we want to help each other."

Throughout the pandemic, Liu's company has also donated masks for artists from all over the world with which the company has collaborated during the past few years, including Sainkho Namtchylak, a singer from Tuva, Japanese rock band Turtle Island and French duo Deep Forest.

Born in a poor family in 1957 in Oporto, Portugal, Rosa lost her sight at 4 years old after falling ill with severe meningitis. Her family made a living by begging in the streets. Rosa traveled to Lisbon when she was 9 to attend a school for the blind. There, with the help of other blind homeless people, Rosa quickly learned to use her beautiful voice as a livelihood. She translated her bitter fate into music.

One day in 1999, when Rosa was singing in downtown Lisbon, she met the well-known Viennese artist and impresario Andre Heller, who was looking for a fado singer for a TV production by an Austrian television company. The blind woman's singing touched Heller deeply. He invited Rosa to travel to Marrakech, Morocco, to participate in the production, which opened the door for Rosa's musical career to flourish. During filming, she met Balss, who now produces CDs and organizes concerts for Rosa all over the world.

So far, Rosa has released four albums and has become one of the fado genre's most notable performers.

"Her music is deeply rooted in the folklore of Portugal. The songs of her childhood, which she heard on the streets, determine her music. In addition, she adds arrangements and compositions by her musicians to her repertoire. As Dona Rosa was unable to enjoy a formal musical education, she taught herself everything by listening. Her voice is strongly influenced by her emotions and her mental state," says Balss.

"Fado is a way of expressing our feelings from the depth of our soul. We'll invite the audiences to share and listen to the open language that comes from inside. Sometimes I sing crying inside－by singing you are able to throw away some of the sadness," Rosa told China Daily in an interview when she toured China in 2017.

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