======================== unified (from filesystem) ========================
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                                        'duration'  '630'
                                          'artist'  'Sun Kil Moon'
                                     'text_people'  'Mark Kozelek'
                                         'release'  'Benji'
                                           'title'  'I Watched the Film the Song Remains the Same'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  "['indie', 'americana', 'indie rock', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '11'
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie'
                                             'bpm'  '119.900'
                                             'key'  '1B'
                                        'acoustid'  'cabb6bea-6e87-4f1a-a4ad-1b25567906c9'
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '9C0E830B+278790+11+150+31315'
'COMM:iTunes_CDDB_1:eng'                            '9C0E830B+278790+11+150+31315+49239+66928+92182+110797+126847+155049+202369+227517+255032'
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'TBPM' (BPM (beats per minute))                     '119.900'
'TCOM' (Composer)                                   'Mark Kozelek'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie'
'TDOR' (Original release time)                      '2014'
'TDRC' (Recording time)                             '2014-02-11'
'TENC' (Encoded by)                                 'iTunes 11.1.3'
'TIT2' (Title/songname/content description)         'I Watched the Film the Song Remains the Same'
'TKEY' (Initial key)                                '1B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Sun Kil Moon'
'TPE2' (Band/orchestra/accompaniment)               'Sun Kil Moon'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Caldo Verde Records'
'TRCK' (Track number/Position in set)               '8/11'
'TSO2'                                              'Sun Kil Moon'
'TSOP' (Performer sort order)                       'Sun Kil Moon'
'TSRC' (ISRC (international standard recording code))  'USA2B1400042'
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'TXXX:BARCODE'                                      '634457642126'
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'TXXX:MusicBrainz Album Id'                         'b5d5a923-0adc-47d4-847a-421cbe5823dc'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'ef2c6449-d02b-415b-ad8c-c14c08266552'
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'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'americana', 'indie rock', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
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'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.35 dB'
'TXXX:replaygain_track_peak'                        '0.526095'

========================== row from database ==========================
                                              'id'  1241843
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Sun Kil Moon - Benji/08 I Watched The Film The Song Remains The Same.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  630
                                           'genre'  ifs-songwriter-indie
                                        'filesize'  25242592
                                           'mtime'  1636400441
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 08 The The The ifs songwriter indie
                                      'tag_artist'  Sun Kil Moon
                                     'tag_release'  Benji
                                       'tag_title'  I Watched the Film the Song Remains the Same
                                             'bpm'  119.9
                                    'search_title'  'film':4 'i':1 'remains':6 'same':7 'song':5 'the':3 'watched':2
                                   'search_artist'  'kil':2 'moon':3 'sun':1
                                  'search_release'  'benji':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':5 'indie':6 'songwriter':2 'the':4
                                    'search_combo'  '00singer':12 'benji':11C 'eos':14 'film':4A 'i':1A 'ifs':16 'indie':17 'kil':9B 'moon':10B 'remains':6A 'same':7A 'song':5A 'songwriter':13 'sun':8B 'the':3A,15 'watched':2A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'americana', 'indie rock', 'folk', 'singer songwriter']
                                        'tag_date'  2014
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636400440.6998281  (2021-11-08 20:40:40)
                             'size'  25242592