Singer, Teamed Up With Danger Mouse on Lux Prima

Puzzle 5 of Alternatives to Plastic Pack

Question is: Singer, Teamed Up With Danger Mouse on Lux Prima

and the answer is: KARENO

Word Meaning:

KAREN — Alternative letter-case form of Karen (“(derogatory) any person, especially female, exhibiting an exaggerated sense of entitlement”).

Definitions from Wiktionary.