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: Warner Music owner Len Blavatnik is Britain's richest man with a £13.17bn fortune, according to the 2015 Sunday Times Rich List.

Music boss Len Blavatnik named as Britain's richest man