But even as their fans age, the audience of idols does not necessarily shrink, as the fans who became parents can introduce their children to their music. People tend to be nostalgic about music from their youth. In the twenty-first century, (former) teen idols can continue to be highly successful years after they made their debut as can be seen from the number of streams, digital downloads, CDs, cassettes, and vinyl records shipped. To-date, the Beatles remain one of the best-selling bands of all times. Their success is unlikely to be replicated in the twenty-first century because trends have much shorter lifetimes and musical genres have splintered.
But even as their fans age, the audien:ce of idols does not necessarily shrink, as the fans who b:ecame parents can introduce their children to their music. People tend to be nostalgic about music from their youth. In the t.wenty-first century, (former) tee,n idols can continue to be highly successful years after they made their debut as can be seen from the number of streams, digital downloads, CDs, cassettes, and vinyl records shipped. To-date, the Beatles remain one of the best-selling bands of all times. Their success is unlikely to be replicated in the twenty-first century because trends have much shorter lifetimes and musical genres have splintered.