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What did singer-songwriter Nick Drake do in his final years?
In the months following Pink Moon's release, Drake became increasingly asocial and distant.
What did singer-songwriter Nick Drake do at home?
His return was often difficult for his family; Gabrielle said, good days in my parents' home were good days for Nick, and bad days were bad days for Nick...“

Question: what was the retainer for?
Self-contained rewrite: What was singer-songwriter Nick Drake's retainer for?