Apple is good at making tech products. Very good. You don't get a stock value bigger than the gross domestic product of Switzerland by making copycat calculators.
But you also don't rise to the top of the tree without producing a few rotten cores - or any other success-journey-metaphor you care to conjure up involving apples and failure.
As Apple Music threatens to join the list of projects the tech giant would rather forget about, we take a look back at those other moments when Apple fell short of its usual greatness.