Prior to its deal with Irving Azoff’s Iconic Artists Group which was announced last week, the Nat King Cole estate sold a stack of the late musician’s recordings to Universal Music, it has now emerged.Cole had a career-long relationship with Capitol Records, which was acquired by Universal when it bought the EMI record company back in 2012. However, in the latter part of his career a by then famous Cole negotiated a deal with Capitol that allowed him to retain the rights in his later recordings, which he then licensed back to the label.According to Forbes, the estate sold those rights to Universal in a deal worth somewhere between $10 million and $20 million.