Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: With a career spanning two decades and sales in excess of 45 million records, Usher is one of the most successful singers in the world, but as his new album reveals, he is still seeking contentment.

Usher reflects on 18 years at the top