Otalgia

Otalgia: a pain in the ear. From Greek ώτο (ear), and ἄλγος (pain, suffering).  This is a medical term. Unfortunately, you cannot use the word to describe popular teenage boy bands.

Nostalgia

Nostalgia: a longing for home; a longing for better days.  From νοσταλγία (nostalgia), which further derives from νόστος (a return home), and ἄλγος (pain, suffering).