“Leon throws some good parties, because Leon’s worth like twenty gazillion, like twenty billion or something crazy, and for him, you know, a billion dollars is like ten dollars to us,” Mr. Stern said on his Monday show on SiriusXM Radio, following Black’s 60th birthday party in Southampton. Mr. Black sits on the company’s board…Mr. Black had his backyard transformed into a faux nightclub setting, constructing a wooden deck over his swimming pool and building a tent for Mr. John’s concert. After a buffet of crab cakes and steak, partygoers sat on couches with big puffy pillows. They watched Mr. Black’s four grown children deliver touching toasts to their father, including a poem by the youngest son. “Oh, I wish I was Leon Black’s child,” Mr. Stern said on Monday. [Dealbook]