======================== unified (from filesystem) ========================
                                         'bitrate'  '204.623'
                                        'duration'  '299'
                                          'artist'  'Phoenix'
                                     'text_people'  ''
                                         'release'  'ALT RAD DANCE'
                                           'title'  'Lisztomania (Alex Metric remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['indie', 'indie pop', 'electronic', 'french', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '109.943'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000778 000006FB 00007FC0 00'
'COMM:iTunNORM:eng'                                 (' 00000778 000006FB 00007FC0 00008221 0001B11B 0000E8D5 00006F47 000070A1 '
 '00039F70 000097D6')
'TALB' (Album/Movie/Show title)                     'ALT RAD DANCE'
'TBPM' (BPM (beats per minute))                     '109.943'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TIT2' (Title/songname/content description)         'Lisztomania (Alex Metric remix)'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Phoenix'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'electronic', 'french', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.92 dB'
'TXXX:replaygain_track_peak'                        '0.523209'

========================== row from database ==========================
                                              'id'  1322012
                                            'path'  /data/Music/Bulk/00poprockelectronic/ALT RAD DANCE/Phoenix - Lisztomania (Alex Metric remix).mp3
                                         'working'  None
                                         'bitrate'  204
                                    'duration_sec'  299
                                           'genre'  electronic-unsorted
                                        'filesize'  7661355
                                           'mtime'  1621630109
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic unsorted
                                      'tag_artist'  Phoenix
                                     'tag_release'  ALT RAD DANCE
                                       'tag_title'  Lisztomania (Alex Metric remix)
                                             'bpm'  109.943
                                    'search_title'  'alex':2,3 'lisztomania':1 'metric':4 'remix':5,6
                                   'search_artist'  'phoenix':1
                                  'search_release'  'alt':1 'dance':3 'rad':2
                                     'search_rest'  '00poprockelectronic':1 'electronic':2 'unsorted':3
                                    'search_combo'  '00poprockelectronic':11 'alex':2A,3A 'alt':8C 'dance':10C 'electronic':12 'lisztomania':1A 'metric':4A 'phoenix':7B 'rad':9C 'remix':5A,6A 'unsorted':13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'electronic', 'french', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630108.5599349  (2021-05-21 22:48:28)
                             'size'  7661355