In what year was the album “Rock Solid” released by The Commodores?

In what year was the album “Rock Solid” released by The Commodores?: The album “Rock Solid” was released in 1988 by The Commodores.
What is the most successful song from the album “Rock Solid” by The Commodores?: “Thank You” is the biggest hit from the album “Rock Solid” by The Commodores.

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