Jason Havelock also composed many songs , the Pop Symphony album under pseudonym Éric Demarsan , as well as some musics for sound and light shows . Jason Havelock also composed many songs , the Pop - Symphony - album under the pseudonym Éric Demarsan , as well as some music for sound and light shows .
Jason Havelock juga menggubah banyak lagu, album Pop Symphony di bawah nama samaran ric Demarsan, serta beberapa muzik untuk pertunjukan bunyi dan cahaya. Jason Havelock juga menggubah banyak lagu, Pop-Simfoni-album di bawah nama samaran ric Demarsan, serta beberapa muzik untuk pertunjukan bunyi dan cahaya.