======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '290'
                                          'artist'  'SADS'
                                     'text_people'  ''
                                         'release'  "Sad Blood Rock 'n' Roll"
                                           'title'  'Loveless Lover'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['visual kei', 'jrock', 'post punk', 'japanese', 'rock', 'j rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '13'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock-visualkei'
                                             'bpm'  '142.508'
                                             'key'  '9A'
                                        'acoustid'  'ad8f084b-2e32-4f8f-9bc8-a48964cbb23f'
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "Sad Blood Rock 'n' Roll"
'TBPM' (BPM (beats per minute))                     '142.508'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock-visualkei']
'TDOR' (Original release time)                      '1999'
'TIT2' (Title/songname/content description)         'Loveless Lover'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'SADS'
'TPE2' (Band/orchestra/accompaniment)               'SADS'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '5/13'
'TSO2'                                              'SADS'
'TSOP' (Performer sort order)                       'SADS'
'TXXX:ASIN'                                         'B00008DYYK'
'TXXX:Acoustid Id'                                  'ad8f084b-2e32-4f8f-9bc8-a48964cbb23f'
'TXXX:Artists'                                      'SADS'
'TXXX:MusicBrainz Album Artist Id'                  '37e9d194-6110-4e03-9042-79e718954e5f'
'TXXX:MusicBrainz Album Id'                         'c7375d65-69f6-40b0-bce2-f8bb9260be68'
'TXXX:MusicBrainz Album Status'                     'pseudo-release'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '37e9d194-6110-4e03-9042-79e718954e5f'
'TXXX:MusicBrainz Release Group Id'                 '2320ef49-4f14-31df-bbc7-0d2cb12201de'
'TXXX:MusicBrainz Release Track Id'                 '0207871e-c0ff-3d2c-986e-604ffcdde8d7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['visual kei', 'jrock', 'post punk', 'japanese', 'rock', 'j rock']
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.39 dB'
'TXXX:replaygain_track_peak'                        '0.484318'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ef72be2a-440d-4041-bf9b-537482fe6e3f')

========================== row from database ==========================
                                              'id'  1522373
                                            'path'  /data/Music/Bulk/00localcharacter/SADS/SADS - Sad Blood Rock_n_roll - 05 - Loveless Lover.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  290
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock-visualkei
                                        'filesize'  4669324
                                           'mtime'  1628353965
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Rock_n_roll 05 loc asia japan;loc asia japan jrock visualkei
                                      'tag_artist'  SADS
                                     'tag_release'  Sad Blood Rock 'n' Roll
                                       'tag_title'  Loveless Lover
                                             'bpm'  142.508
                                    'search_title'  'loveless':1 'lover':2
                                   'search_artist'  'sads':1
                                  'search_release'  'blood':2 'n':4,5 'rock':3 'roll':6 'sad':1
                                     'search_rest'  'asia':5 'japan':6,8,10 'jrock':11 'loc':4,7,9 'n':2 'rock':1 'roll':3 'visualkei':12
                                    'search_combo'  'asia':14 'blood':5C 'japan':15,17,19 'jrock':20 'loc':13,16,18 'loveless':1A 'lover':2A 'n':7C,8C,11 'rock':6C,10 'roll':9C,12 'sad':4C 'sads':3B 'visualkei':21
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['visual kei', 'jrock', 'post punk', 'japanese', 'rock', 'j rock']
                                        'tag_date'  1999
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1628353964.7381942  (2021-08-07 18:32:44)
                             'size'  4669324