======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '185'
                                          'artist'  'Clint Viet'
                                     'text_people'  ''
                                         'release'  'Hò! #1 Roady Music From Vietnam 2000'
                                           'title'  'Môt nam dô / Dollar-Hand'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-1', "
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 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '21'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'loc-asia-vietnam;set-pl-mor'
                                             'bpm'  '139.2'
                                             'key'  '9A'
                                        'acoustid'  '717b69af-a958-434f-9d10-e29cb5347c50'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hò! #1 Roady Music From Vietnam 2000'
'TBPM' (BPM (beats per minute))                     '139.2'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-vietnam', 'set-pl-mor']
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998'
'TENC' (Encoded by)                                 'meaty <meaty@hotbox.ru>'
'TIT2' (Title/songname/content description)         'Môt nam dô / Dollar-Hand'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Clint Viet'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Trikont'
'TRCK' (Track number/Position in set)               '18/21'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Clint Viet'
'TXXX:Acoustid Id'                                  '717b69af-a958-434f-9d10-e29cb5347c50'
'TXXX:BARCODE'                                      '4015698024920'
'TXXX:CATALOGNUMBER'                                'US-254168'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '0fbf043c-36e8-4781-864c-d74f401b463a'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '23df8a0a-caa8-445b-8f29-8bb137bbf784'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.16 dB'
'TXXX:replaygain_track_peak'                        '0.208362'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'76eb5fc6-dcc4-44dc-9161-11a31c1a76a7')

========================== row from database ==========================
                                              'id'  727162
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Roady Music From Vietnam 2000/18-Mot Nam Do _ Dollar Hand.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  185
                                           'genre'  loc-asia-vietnam;set-pl-mor
                                        'filesize'  5948317
                                           'mtime'  1621626202
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 18 Mot Nam _ loc asia vietnam;set pl mor
                                      'tag_artist'  Clint Viet
                                     'tag_release'  Hò! #1 Roady Music From Vietnam 2000
                                       'tag_title'  Môt nam dô / Dollar-Hand
                                             'bpm'  139.2
                                    'search_title'  'do':4,5 'dollar':6 'dollarhand':8 'hand':7 'mot':1,2 'nam':3
                                   'search_artist'  'clint':1 'viet':2
                                  'search_release'  '1':3,4 '2000':9 'from':7 'ho':1,2 'music':6 'roady':5 'vietnam':8
                                     'search_rest'  '18':1 'asia':5 'loc':4 'mor':11 'mot':2 'nam':3 'pl':10 'set':7,9 'vietnam':6,8
                                    'search_combo'  '1':13C,14C '18':20 '2000':19C 'asia':24 'clint':9B 'do':4A,5A 'dollar':6A 'dollarhand':8A 'from':17C 'hand':7A 'ho':11C,12C 'loc':23 'mor':30 'mot':1A,2A,21 'music':16C 'nam':3A,22 'pl':29 'roady':15C 'set':26,28 'viet':10B 'vietnam':18C,25,27
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621626202.304402  (2021-05-21 21:43:22)
                             'size'  5948317