In what year was the album “Waldemar” released by Nilson Chaves?

In what year was the album “Waldemar” released by Nilson Chaves?: The album “Waldemar” was released in 1998 by Nilson Chaves, featuring 10 tracks.
What is the most successful song from the album “Waldemar” by Nilson Chaves?: “Boi-bumbá” is the biggest hit from the album “Waldemar” by Nilson Chaves.

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