What is 1977 best selling album by fleetwood mac?

• Title: Rumours
• Artist: Fleetwood Mac
• Release Date: February 4, 1977
• Genre: Soft rock, pop rock
• Background: Recorded during a period of intense personal turmoil within the band, including the breakups of John%20McVie and Christine%20McVie, as well as Lindsey%20Buckingham and Stevie%20Nicks.
• Themes: Explores themes of love, loss, heartbreak, and resentment, reflecting the band members' relationships.
• Singles: Spawned several hit singles, including "Go%20Your%20Own%20Way", "Dreams", "Don't%20Stop", and "You%20Make%20Loving%20Fun".
• Commercial Success: Became one of the best-selling albums of all time, selling over 40 million copies worldwide.
• Awards: Won the Grammy Award for Album of the Year in 1978.
• Legacy: Widely considered a classic album and a defining work of the soft%20rock genre.