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In the context of entertainment brand marketing, answer the following two questions.

a. Distinguish the 4Cs for the promotion of Ed Sheeran's latest songs, which appear on his album called 'Equals' (written "="). In your answer, outline the 4Cs, including those relevant to delivering these songs to fans, as well as the plans for their general promotion in 2022.

Note: instead of Ed Sheeran, you have the option to answer the same questions for another musical artist of your choice.

b. Critically discuss how developing different sets of 4Cs for different consumer segments might make the Ed Sheeran marketing campaign more effective. Give some examples for a few different segments of consumers.

Note: instead of Ed Sheeran, you have the option to answer the same questions for another musical artist, the same one you address in part a.