======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '41'
                                          'artist'  'Joss Whedon'
                                     'text_people'  ''
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 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
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                                      'lastfmtags'  "['soundtrack', 'firefly', 'buffy the vampire slayer', 'musical', 'buffy']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
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                                      'tracktotal'  '23'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '132'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Buffy the Vampire Slayer: Once More, With Feeling'
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'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Coda'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Joss Whedon'
'TPE2' (Band/orchestra/accompaniment)               'Joss Whedon'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Decca Records'
'TRCK' (Track number/Position in set)               '17/23'
'TSO2'                                              'Whedon, Joss'
'TSOP' (Performer sort order)                       'Whedon, Joss'
'TXXX:Artists'                                      'Joss Whedon'
'TXXX:BARCODE'                                      '028947359920'
'TXXX:CATALOGNUMBER'                                '473 599-2'
'TXXX:MusicBrainz Album Artist Id'                  '00b82d40-1abc-4139-be19-e64243c698cb'
'TXXX:MusicBrainz Album Id'                         'e1ad32b2-e6db-4349-b788-a096f899be1c'
'TXXX:MusicBrainz Album Release Country'            'AU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/soundtrack'
'TXXX:MusicBrainz Artist Id'                        '00b82d40-1abc-4139-be19-e64243c698cb'
'TXXX:MusicBrainz Release Group Id'                 'f922eb68-c5fc-3d6c-8482-f63927d1ef5a'
'TXXX:MusicBrainz Release Track Id'                 '5f794ba1-a16a-4864-9fae-0761b49393f2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['soundtrack', 'firefly', 'buffy the vampire slayer', 'musical', 'buffy']
'TXXX:originalyear'                                 '2002'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.06 dB'
'TXXX:replaygain_track_peak'                        '0.445047'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4a00a186-9e50-4739-9e52-e016c737bc15')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/0soundtrack/BTVS - Once More, With Feeling/MBZ;#Buffy the Vampire Slayer;#Once More, With Feeling;#17;#Coda.mp3
                                         'working'  None
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                                    'duration_sec'  41
                                           'genre'  soundtrack-video
                                        'filesize'  1019336
                                           'mtime'  1642095750
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack BTVS MBZ;#Buffy Slayer;#Once Feeling;#17;#Coda soundtrack video
                                      'tag_artist'  Joss Whedon
                                     'tag_release'  Buffy the Vampire Slayer: Once More, With Feeling
                                       'tag_title'  Coda
                                             'bpm'  132.0
                                    'search_title'  'coda':1
                                   'search_artist'  'joss':1 'whedon':2
                                  'search_release'  'buffy':1 'feeling':10 'more':7,8 'once':6 'slayer':4,5 'the':2 'vampire':3 'with':9
                                     'search_rest'  '0soundtrack':1 '17':12,15 'btvs':2 'buffy':4,6 'coda':13,16 'feeling':11,14 'mbz':3,5 'once':8,10 'slayer':7,9 'soundtrack':17 'video':18
                                    'search_combo'  '0soundtrack':14 '17':25,28 'btvs':15 'buffy':4C,17,19 'coda':1A,26,29 'feeling':13C,24,27 'joss':2B 'mbz':16,18 'more':10C,11C 'once':9C,21,23 'slayer':7C,8C,20,22 'soundtrack':30 'the':5C 'vampire':6C 'video':31 'whedon':3B 'with':12C
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['soundtrack', 'firefly', 'buffy the vampire slayer', 'musical', 'buffy']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642095750.4449058  (2022-01-13 18:42:30)
                             'size'  1019336