======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '380'
                                          'artist'  'David Bowie'
                                     'text_people'  ''
                                         'release'  'Earthling'
                                           'title'  'Seven Years in Tibet'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
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 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
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                                      'lastfmtags'  "['classic rock', '80s', 'alternative', 'rock', 'glam rock']"
                                     'discogstags'  ("['electronic', 'rock', 'alternative rock', 'industrial', 'drum n bass', "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '10'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '84.140'
                                             'key'  '6A'
                                        'acoustid'  '8b3b84b1-05e0-4e95-b664-efc1be18c770'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Earthling'
'TBPM' (BPM (beats per minute))                     '84.140'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '2004-02-18'
'TFLT' (File type)                                  '/3'
'TIT2' (Title/songname/content description)         'Seven Years in Tibet'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'David Bowie'
'TPE2' (Band/orchestra/accompaniment)               'David Bowie'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Sony Music Japan International Inc.'
'TRCK' (Track number/Position in set)               '4/10'
'TSO2'                                              'Bowie, David'
'TSOP' (Performer sort order)                       'Bowie, David'
'TSRC' (ISRC (international standard recording code))  'USBI19600056/USRF39900026'
'TXXX:ASIN'                                         'B000197LCU'
'TXXX:Acoustid Id'                                  '8b3b84b1-05e0-4e95-b664-efc1be18c770'
'TXXX:BARCODE'                                      '4547366014600'
'TXXX:CATALOGNUMBER'                                'SICP-542'
'TXXX:MusicBrainz Album Artist Id'                  '5441c29d-3602-4898-b1a1-b77fa23b8e50'
'TXXX:MusicBrainz Album Id'                         '5a4fcd7b-aa08-43b9-9db6-3cee7c9779b3'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5441c29d-3602-4898-b1a1-b77fa23b8e50'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic',
 'rock',
 'alternative rock',
 'industrial',
 'drum n bass',
 'synth-pop']
'TXXX:lastfmtags'                                   ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.33 dB'
'TXXX:replaygain_track_peak'                        '0.360440'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e22ebace-d4f8-4432-96da-a2a41eff0c14')

========================== row from database ==========================
                                              'id'  1342382
                                            'path'  /data/Music/Bulk/00poprockelectronic/David Bowie/Earthling/David Bowie - Seven Years In Tibet.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  380
                                           'genre'  ifs-songwriter
                                        'filesize'  6104861
                                           'mtime'  1636915938
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic In ifs songwriter
                                      'tag_artist'  David Bowie
                                     'tag_release'  Earthling
                                       'tag_title'  Seven Years in Tibet
                                             'bpm'  84.14
                                    'search_title'  'in':3 'seven':1 'tibet':4 'years':2
                                   'search_artist'  'bowie':2 'david':1
                                  'search_release'  'earthling':1
                                     'search_rest'  '00poprockelectronic':1 'ifs':3 'in':2 'songwriter':4
                                    'search_combo'  '00poprockelectronic':8 'bowie':6B 'david':5B 'earthling':7C 'ifs':10 'in':3A,9 'seven':1A 'songwriter':11 'tibet':4A 'years':2A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic', 'rock', 'alternative rock', 'industrial', 'drum n bass', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1636915937.952814  (2021-11-14 19:52:17)
                             'size'  6104861