Query q = em.createQuery("SELECT vos FROM VoiceOverSection vos ORDER BY vos.order");
List<VoiceOverSection> l = (List<VoiceOverSection>)q.getResultList();
if (l.size() == 0) {
VoiceOverSection vos = addVoiceOverSection(em, "Adverts", 0);
addVoiceOver(em, vos, "Album Soul Love", 0, "/files/voiceover/advert-soul-love-album/soul-love-album.mp3");
addVoiceOver(em, vos, "Learn Direct", 1, "/files/voiceover/advert-learn-direct/learn-direct.mp3");
addVoiceOver(em, vos, "NHS - Stop Smoking", 2, "/files/voiceover/advert-nhs-stop-smoking/nhs-stop-smoking.mp3");
//////////////