======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '266'
                                          'artist'  'DEAD END'
                                     'text_people'  ''
                                         'release'  'GHOST OF ROMANCE(+1)'
                                           'title'  'GRAVE OF THE SHADOW(Bonus track)'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['hard rock', 'metal', 'japanese', 'j rock', 'heavy metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '10'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'eid-metal;loc-asia-japan'
                                             'bpm'  '101.1'
                                             'key'  '6A'
                                        'acoustid'  '601ce9dd-6cf2-421e-9b11-a0e407ff83d3'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'GHOST OF ROMANCE(+1)'
'TBPM' (BPM (beats per minute))                     '101.1'
'TCON' (Content type, a.k.a. Genre)                 ['eid-metal', 'loc-asia-japan']
'TDOR' (Original release time)                      '1987'
'TDRC' (Recording time)                             '2009-11-11'
'TIT2' (Title/songname/content description)         'GRAVE OF THE SHADOW(Bonus track)'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'DEAD END'
'TPE2' (Band/orchestra/accompaniment)               'DEAD END'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '10/10'
'TSO2'                                              'DEAD END'
'TSOP' (Performer sort order)                       'DEAD END'
'TXXX:Acoustid Id'                                  '601ce9dd-6cf2-421e-9b11-a0e407ff83d3'
'TXXX:Artists'                                      'DEAD END'
'TXXX:BARCODE'                                      '4988002586035'
'TXXX:CATALOGNUMBER'                                'VICL-70022'
'TXXX:FIRST_PLAYED'                                 '2016-12-15 16:22:42 '
'TXXX:MusicBrainz Album Artist Id'                  '38468237-8dc0-4838-9b92-32f0fff26fb9'
'TXXX:MusicBrainz Album Id'                         'd761aebf-516e-4927-b27d-af14305ae831'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '38468237-8dc0-4838-9b92-32f0fff26fb9'
'TXXX:MusicBrainz Release Group Id'                 '2e422a09-7d8e-4ebf-931d-406d5d194baf'
'TXXX:MusicBrainz Release Track Id'                 '00918695-eedf-4bff-a729-e0259d77fc23'
'TXXX:NOTES'                                        'Medieval CUE Splitter (www.medieval.it)'
'TXXX:PLAY_COUNTER'                                 '1'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Jpan'
'TXXX:lastfmtags'                                   ['hard rock', 'metal', 'japanese', 'j rock', 'heavy metal']
'TXXX:originalyear'                                 '1987'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.01 dB'
'TXXX:replaygain_track_peak'                        '0.314751'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f28ae6f8-5d0a-4cef-8283-90bd9e03048e')

========================== row from database ==========================
                                              'id'  1394287
                                            'path'  /data/Music/Bulk/00dwimp/00metal/DEAD END - [1987.09.08] GHOST OF ROMANCE/(10) [DEAD END] GRAVE OF THE SHADOW.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  266
                                           'genre'  eid-metal;loc-asia-japan
                                        'filesize'  11143271
                                           'mtime'  1636300947
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal [1987.09.08] (10) [DEAD END] eid metal;loc asia japan
                                      'tag_artist'  DEAD END
                                     'tag_release'  GHOST OF ROMANCE(+1)
                                       'tag_title'  GRAVE OF THE SHADOW(Bonus track)
                                             'bpm'  101.1
                                    'search_title'  'bonus':5 'grave':1 'of':2 'shadow':4 'shadowbonus':6 'the':3 'track':7,8
                                   'search_artist'  'dead':1 'end':2
                                  'search_release'  '+1':4,6 'ghost':1 'of':2 'romance':3,5
                                     'search_rest'  '00dwimp':1 '00metal':2 '08':5 '09':4 '10':7,8 '1987':3 '19870908':6 'asia':18 'dead':9,10 'eid':13 'end':11,12 'japan':19 'loc':15,17 'metal':14,16
                                    'search_combo'  '+1':14C,16C '00dwimp':17 '00metal':18 '08':21 '09':20 '10':23,24 '1987':19 '19870908':22 'asia':34 'bonus':5A 'dead':9B,25,26 'eid':29 'end':10B,27,28 'ghost':11C 'grave':1A 'japan':35 'loc':31,33 'metal':30,32 'of':2A,12C 'romance':13C,15C 'shadow':4A 'shadowbonus':6A 'the':3A 'track':7A,8A
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['hard rock', 'metal', 'japanese', 'j rock', 'heavy metal']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636300946.6573775  (2021-11-07 17:02:26)
                             'size'  11143271