In what year was the album “Sign in the Sky” released by China?

In what year was the album “Sign in the Sky” released by China?: The album “Sign in the Sky” was released in 1989 by China, featuring 11 tracks.
What is the most successful song from the album “Sign in the Sky” by China?: “In the Middle of the Night” is the biggest hit from the album “Sign in the Sky” by China.

Other artists of Alternative rock