Blackstone Inc. has hired financial advisers to explore the sale of song rights, including music from Bob Dylan, Adele and Ariana Grande, that it expects to fetch $3 billion or more, people with knowledge of the matter said. A handful of financial firms, including Apollo Global Management Inc., Warburg Pincus LLC and Temasek Holdings Pte, Singapore’s state-owned investment firm, have expressed interest in the assets. Source: Blackstone Seeks $3 Billion in Sale of Bob Dylan, Adele Song Rights