 Reaction to the episode 's melodies were also positive . Wolfen Moondaughter wrote in her Sequential Tart article , " Five Reasons : Phineas and Ferb , " that both " My Nemesis " and " When We Didn 't Get Along " were among her personal favorite musical pieces from the series , despite the former resembling the styles of Elvis Costello , whom Moondaughter noted she carried a distaste for . A Wired magazine review of the series ' soundtrack observed that despite being drastically different from tracks that proceed and precede it , " When We Didn 't Get Along " " fit perfectly " due to " the genius of the malleable songwriting style of Phineas and Ferb 's musical brain trust . " 
