In what year was the album “Viola Cósmica” released by Pereira da Viola?

In what year was the album “Viola Cósmica” released by Pereira da Viola?: The album “Viola Cósmica” was released in 1998 by Pereira da Viola.
What is the most successful song from the album “Viola Cósmica” by Pereira da Viola?: “Boi Encantado” is the biggest hit from the album “Viola Cósmica” by Pereira da Viola.

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