======================== unified (from filesystem) ========================
                                         'bitrate'  '80.0'
                                        'duration'  '237'
                                          'artist'  'Franz Ferdinand'
                                     'text_people'  ''
                                         'release'  'Franz Ferdinand'
                                           'title'  'Take Me Out'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
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                                      'lastfmtags'  "['indie', 'alternative', 'britpop', 'indie rock', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '15'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '104.606'
                                             'key'  '9A'
                                        'acoustid'  '975c138a-c167-45fc-908b-e9472658f7f0'
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '104.606'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-06-02'
'TIT2' (Title/songname/content description)         'Take Me Out'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Franz Ferdinand'
'TPE2' (Band/orchestra/accompaniment)               'Franz Ferdinand'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/15'
'TSO2'                                              'Franz Ferdinand'
'TSOP' (Performer sort order)                       'Franz Ferdinand'
'TSRC' (ISRC (international standard recording code))  'GBCEL0300192/USSM10402947'
'TXXX:Acoustid Id'                                  '975c138a-c167-45fc-908b-e9472658f7f0'
'TXXX:BARCODE'                                      '4547366015478'
'TXXX:CATALOGNUMBER'                                'EICP 370'
'TXXX:MusicBrainz Album Artist Id'                  'aa7a2827-f74b-473c-bd79-03d065835cf7'
'TXXX:MusicBrainz Album Id'                         '7a9b1d4a-aa96-41b6-abbc-712dbabb0b70'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'aa7a2827-f74b-473c-bd79-03d065835cf7'
'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:discogstags'                                  ['rock', 'alternative rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'britpop', 'indie rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.79 dB'
'TXXX:replaygain_track_peak'                        '0.584526'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a1818245-54db-4881-86be-7ff3180c3e06')

========================== row from database ==========================
                                              'id'  1259266
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Franz Ferdinand/Franz Ferdinand/03 - Take me out.mp3
                                         'working'  None
                                         'bitrate'  80
                                    'duration_sec'  237
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  2373498
                                           'mtime'  1621697502
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 03 me out ifs songwriter indie rock
                                      'tag_artist'  Franz Ferdinand
                                     'tag_release'  Franz Ferdinand
                                       'tag_title'  Take Me Out
                                             'bpm'  104.606
                                    'search_title'  'me':2 'out':3 'take':1
                                   'search_artist'  'ferdinand':2 'franz':1
                                  'search_release'  'ferdinand':2 'franz':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':6 'indie':7 'me':4 'out':5 'rock':8 'songwriter':2
                                    'search_combo'  '00singer':8 'eos':10 'ferdinand':5B,7C 'franz':4B,6C 'ifs':13 'indie':14 'me':2A,11 'out':3A,12 'rock':15 'songwriter':9 'take':1A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'britpop', 'indie rock', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  ['rock', 'alternative rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1621697501.9264677  (2021-05-22 17:31:41)
                             'size'  2373498