Sonic, the Rainbooms and all their friends are very excited when the duet concert of Countess Coloratura and Mina comes to Canterlot. Except that Adagio Dazzle can't help but reminisce of the old days where she had her voice in the power to enthrall anyone and everyone... However she soon catches the attention of a certain Ixis wizard, who offers her a choice to regain her power...