tagDao.createTags(asList("disco"));
tagDao.createTopArtists(Arrays.asList(new TagTopArtists("disco",
Arrays.asList(cher, madonna, cyndi, celine, kylie))));
Track track1, track2, track3;
artistTopTracksDao.createTopTracks(madonna, Arrays.asList(
track1 = new Track(madonna, "Like A Prayer"),
track2 = new Track(madonna, "Hung Up"),
new Track(madonna, "Frozen")));
artistTopTracksDao.createTopTracks(cyndi, Arrays.asList(
track3 = new Track(cyndi, "Time After Time"),
new Track(cyndi, "Girls Just Wanna Have Fun")));
artistTopTracksDao.createTopTracks(celine, Arrays.asList(
new Track(celine, "My Heart Will Go On")));
artistTopTracksDao.createTopTracks(kylie, Arrays.asList(
new Track(kylie, "Love At First Sight")));
List<File> files = new ArrayList<>();
for (Track track : Arrays.asList(track1, track2, track3)) {
files.add(getFile(track));
}