Final answer:
Sam Phillips, Lieber Stoller, Berry Gordy, Joe Meeks, and Phil Spector were all significant music industry figures who were influenced by African American musical mentors, shaping the emergence of rock n' roll music.
Step-by-step explanation:
Sam Phillips, Lieber Stoller, Berry Gordy, Joe Meeks, and Phil Spector are all notable figures in the music industry who contributed significantly to the development of rock n' roll music. They share in common a history of having been influenced by African American musical mentors.
As an example, Carl Perkins, who is not listed but relevant in the context of the question, was taught by a black neighbor and was influenced by diverse musical genres which led to his song "Blue Suede Shoes". This song uniquely topped multiple charts because it resonated with a wide audience, demonstrating the cross-cultural appeal of rock n' roll music.