======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '334'
                                          'artist'  'Coph Nia'
                                     'text_people'  ''
                                         'release'  'Shape Shifter'
                                           'title'  'Lord of the Air'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['dark ambient', 'cold meat industry', 'industrial', 'experimental', "
 "'ambient']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '9'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-drone'
                                             'bpm'  '142.3'
                                             'key'  '1A'
                                        'acoustid'  'ada76eb3-4edc-42f7-a9c5-98827912fbcb'
rest: ''

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

'COMM:ID3v1 Comment:eng'                            'Moorleiche / CNMC'
'TALB' (Album/Movie/Show title)                     'Shape Shifter'
'TBPM' (BPM (beats per minute))                     '142.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-drone'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-05-19'
'TIT2' (Title/songname/content description)         'Lord of the Air'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Coph Nia'
'TPE2' (Band/orchestra/accompaniment)               'Coph Nia'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  '[no label]'
'TRCK' (Track number/Position in set)               '3/9'
'TSO2'                                              'Coph Nia'
'TSOP' (Performer sort order)                       'Coph Nia'
'TXXX:Acoustid Id'                                  'ada76eb3-4edc-42f7-a9c5-98827912fbcb'
'TXXX:CATALOGNUMBER'                                '[none]'
'TXXX:MusicBrainz Album Artist Id'                  '2c2368ed-add3-4f98-9add-d3786771d466'
'TXXX:MusicBrainz Album Id'                         'd067dc46-abb2-4af5-a1d0-bf13b382c975'
'TXXX:MusicBrainz Album Release Country'            'SE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '2c2368ed-add3-4f98-9add-d3786771d466'
'TXXX:Q-HAP'                                        '2'
'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'
'TXXX:lastfmtags'                                   ['dark ambient', 'cold meat industry', 'industrial', 'experimental', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.40 dB'
'TXXX:replaygain_track_peak'                        '0.834800'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'fb119bd9-b9d9-4593-92b4-c848eee22866')

========================== row from database ==========================
                                              'id'  1319077
                                            'path'  /data/Music/Bulk/00poprockelectronic/00drone/Coph Nia - Shape Shifter/03_lord_of_the_air.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  334
                                           'genre'  electronic-drone
                                        'filesize'  8036732
                                           'mtime'  1636912551
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00drone 03_lord_of_the_air electronic drone
                                      'tag_artist'  Coph Nia
                                     'tag_release'  Shape Shifter
                                       'tag_title'  Lord of the Air
                                             'bpm'  142.3
                                    'search_title'  'air':4 'lord':1 'of':2 'the':3
                                   'search_artist'  'coph':1 'nia':2
                                  'search_release'  'shape':1 'shifter':2
                                     'search_rest'  '00drone':2 '00poprockelectronic':1 '03':3 'air':7 'drone':9 'electronic':8 'lord':4 'of':5 'the':6
                                    'search_combo'  '00drone':10 '00poprockelectronic':9 '03':11 'air':4A,15 'coph':5B 'drone':17 'electronic':16 'lord':1A,12 'nia':6B 'of':2A,13 'shape':7C 'shifter':8C 'the':3A,14
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dark ambient', 'cold meat industry', 'industrial', 'experimental', 'ambient']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636912551.0903988  (2021-11-14 18:55:51)
                             'size'  8036732