@Override
  public String toString() {
    return MoreObjects.toStringHelper(this)
        .add("isrcCode", getIsrcCode())
        .add("title", getTitle())
        .add("durationMillis", getDurationMillis())
        .add("musicRelease", getMusicRelease())
        .add("byArtists", getByArtists())
        .add("isExplicit", getIsExplicit())
        .toString();
  }
POJO for https://schema.org/MusicRecording
portability-types-common/src/main/java/org/datatransferproject/types/common/models/music/MusicRecording.java