======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '393'
                                          'artist'  'The New Pornographers'
                                     'text_people'  'A.C. Newman'
                                         'release'  'Challengers'
                                           'title'  'Failsafe'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'indie pop', 'alternative', 'indie rock', 'canadian']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '12'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '108.762'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::XXX'                                         '0'
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000D01 000012F7 00007352 00009F72 0005AE63 000119D6 000084A8 000086A6 '
 '00058B49 0001BED6')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 0000084C 0000000001089924 00000000 008FF1CC 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '12+13BCF0194812EC7BE960E9424CADEC89+9400618'
'TALB' (Album/Movie/Show title)                     'Challengers'
'TBPM' (BPM (beats per minute))                     '108.762'
'TCOM' (Composer)                                   'A.C. Newman'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'iTunes v7.2'
'TIT2' (Title/songname/content description)         'Failsafe'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'The New Pornographers'
'TRCK' (Track number/Position in set)               '7/12'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'alternative', 'indie rock', 'canadian']
'TXXX:q-bass'                                       '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.82 dB'
'TXXX:replaygain_track_peak'                        '0.469535'

========================== row from database ==========================
                                              'id'  1275950
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The New Pornographers/Challengers/Failsafe.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  393
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  9705518
                                           'mtime'  1642256570
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos ifs songwriter indie unsorted
                                      'tag_artist'  The New Pornographers
                                     'tag_release'  Challengers
                                       'tag_title'  Failsafe
                                             'bpm'  108.762
                                    'search_title'  'failsafe':1
                                   'search_artist'  'new':2 'pornographers':3 'the':1
                                  'search_release'  'challengers':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'indie':5 'songwriter':2 'unsorted':6
                                    'search_combo'  '00singer':6 'challengers':5C 'eos':8 'failsafe':1A 'ifs':9 'indie':10 'new':3B 'pornographers':4B 'songwriter':7 'the':2B 'unsorted':11
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'indie rock', 'canadian']
                                        'tag_date'  2007
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1642256569.983924  (2022-01-15 15:22:49)
                             'size'  9705518