I think Waveburner is right. The song is saying that they changed their sound, that they don't sound like they used to (they're not the foolish kids they used to be), and that the fans should get over that, instead of complaining about it (stop wishing for yesterday).
I think Waveburner is right. The song is saying that they changed their sound, that they don't sound like they used to (they're not the foolish kids they used to be), and that the fans should get over that, instead of complaining about it (stop wishing for yesterday).