======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '258'
                                          'artist'  'CAN'
                                     'text_people'  ''
                                         'release'  'Delay 1968'
                                           'title'  'Nineteen Century Man'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'krautrock', 'progressive rock', 'psychedelic', 'experimental']"
                                     'discogstags'  "['krautrock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '7'
                                            'date'  '1981'
                                        'comments'  ''
                                           'genre'  'rock-cppex-experimental or noise'
                                             'bpm'  '111.149'
                                             'key'  '12B'
                                        'acoustid'  'b6cb637c-57e6-4733-9e00-da80025a4295'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Delay 1968'
'TBPM' (BPM (beats per minute))                     '111.149'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-experimental or noise'
'TDOR' (Original release time)                      '1981'
'TDRC' (Recording time)                             '1981'
'TIT2' (Title/songname/content description)         'Nineteen Century Man'
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 'Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'CAN'
'TPE2' (Band/orchestra/accompaniment)               'CAN'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Spoon Records'
'TRCK' (Track number/Position in set)               '3/7'
'TSO2'                                              'Can'
'TSOP' (Performer sort order)                       'Can'
'TXXX:Acoustid Id'                                  'b6cb637c-57e6-4733-9e00-da80025a4295'
'TXXX:CATALOGNUMBER'                                'SPOON 012'
'TXXX:MusicBrainz Album Artist Id'                  '13501c7d-d181-45ba-af52-5f101d8516a0'
'TXXX:MusicBrainz Album Id'                         '297f494a-8e80-349e-bae4-61fa32079ec6'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '13501c7d-d181-45ba-af52-5f101d8516a0'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['krautrock', 'rock']
'TXXX:lastfmtags'                                   ['german', 'krautrock', 'progressive rock', 'psychedelic', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.13 dB'
'TXXX:replaygain_track_peak'                        '0.840548'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'9355f7df-9a21-4507-8bfc-3c580de66f65')

========================== row from database ==========================
                                              'id'  1413710
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/CAN/1968 - Delay 1968/03 - Nineteen Century Man.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  258
                                           'genre'  rock-cppex-experimental or noise
                                        'filesize'  6197467
                                           'mtime'  1651570100
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 03 rock cppex experimental or noise
                                      'tag_artist'  CAN
                                     'tag_release'  Delay 1968
                                       'tag_title'  Nineteen Century Man
                                             'bpm'  111.149
                                    'search_title'  'century':2 'man':3 'nineteen':1
                                   'search_artist'  'can':1
                                  'search_release'  '1968':2 'delay':1
                                     'search_rest'  'classicprogpsy':1 'cppex':3 'experimental':4 'noise':6 'or':5 'rock':2
                                    'search_combo'  '1968':6C 'can':4B 'century':2A 'classicprogpsy':7 'cppex':9 'delay':5C 'experimental':10 'man':3A 'nineteen':1A 'noise':12 'or':11 'rock':8
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']
                                      'lastfmtags'  ['german', 'krautrock', 'progressive rock', 'psychedelic', 'experimental']
                                        'tag_date'  1981
                                     'discogstags'  ['krautrock', 'rock']

============================== file details ==============================
                                           'mtime'  1651570100.141746  (2022-05-03 11:28:20)
                             'size'  6197467