No, it's used there as an adverbial clause. An example of its use as a noun clause is eg I remember when I was little.
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Anonymous Hi."The 25-year-old pop singer has been touring the nation's radio studios to plug her new single "Big When I Was Little", a song which revels in nostalgia for Nineties pop culture." [From The Independent.]Is the "When I Was Little" a noun clause? In other words, does the "When I Was Little" do the job of a noun?Thank you.It is difficult to determin