======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '217'
                                          'artist'  'Mogwai'
                                     'text_people'  ''
                                         'release'  'Rock Action'
                                           'title'  'Secret Pint'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'Q-PIANO-3', 'q-chart-4', 'q-drums-3', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['instrumental', 'indie', 'alternative', 'post rock']"
                                     'discogstags'  "['rock', 'instrumental', 'abstract', 'post rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-post'
                                             'bpm'  '140.823'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Rock Action'
'TBPM' (BPM (beats per minute))                     '140.823'
'TCON' (Content type, a.k.a. Genre)                 'rock-post'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Secret Pint'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Mogwai'
'TPE2' (Band/orchestra/accompaniment)               'Mogwai'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'instrumental', 'abstract', 'post rock']
'TXXX:lastfmtags'                                   ['instrumental', 'indie', 'alternative', 'post rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.57 dB'
'TXXX:replaygain_track_peak'                        '0.638617'

========================== row from database ==========================
                                              'id'  1345978
                                            'path'  /data/Music/Bulk/00poprockelectronic/Mogwai/Rock Action/mogwai - secret pint.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  217
                                           'genre'  rock-post
                                        'filesize'  3499878
                                           'mtime'  1678905647
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic mogwai secret pint rock post
                                      'tag_artist'  Mogwai
                                     'tag_release'  Rock Action
                                       'tag_title'  Secret Pint
                                             'bpm'  140.823
                                    'search_title'  'pint':2 'secret':1
                                   'search_artist'  'mogwai':1
                                  'search_release'  'action':2 'rock':1
                                     'search_rest'  '00poprockelectronic':1 'mogwai':2 'pint':4 'post':6 'rock':5 'secret':3
                                    'search_combo'  '00poprockelectronic':6 'action':5C 'mogwai':3B,7 'pint':2A,9 'post':11 'rock':4C,10 'secret':1A,8
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  3B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'Q-PIANO-3', 'q-chart-4', 'q-drums-3', 'q-other-3', 'q-vocals-1', 'q-mixbeat-2']
                                      'lastfmtags'  ['instrumental', 'indie', 'alternative', 'post rock']
                                        'tag_date'  2001
                                     'discogstags'  ['rock', 'instrumental', 'abstract', 'post rock']

============================== file details ==============================
                                           'mtime'  1678905647.4723687  (2023-03-15 19:40:47)
                             'size'  3499878