How many Grammy Awards did Michael Jackson's album "Thriller" win at The 26th Annual Grammy Awards, which was held on February 28, 1984 at Shrine Auditorium?

Explanation

"Thriller" was released in 1982 and is the sixth studio album by Michael Jackson. Of the nine tracks on the album, four of them were written by Jackson himself. Seven singles were released from the album, all of which reached the top 10 on the Billboard Hot 100. In just over a year, Thriller became the best-selling album of all time, with sales estimated as being between 51 and 65 million copies worldwide. The album won a record-breaking eight Grammy Awards in 1984, including the prize "Album of the Year".