======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '295'
                                          'artist'  'Devotchka'
                                     'text_people'  ''
                                         'release'  '100 Lovers'
                                           'title'  'Sunshine'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'gypsy', 'alternative', 'cabaret', 'folk']"
                                     'discogstags'  "['alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-experimental'
                                             'bpm'  '88.438'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'C\x00+\x009\x006\x00+\x005\x009\x00A\x00B\x00+\x00A\x00E\x00A\x00C\x00+\x00F\x008\x003\x006\x00+\x001\x004\x006\x002\x00B\x00+\x001\x005\x001\x00E\x003\x00+\x001\x009\x003\x00B\x008\x00+\x001\x00D\x001\x004\x003\x00+\x001\x00D\x008\x003\x00A\x00+\x002\x002\x002\x00E\x00C\x00+\x002\x007\x007\x005\x00B\x00+\x002\x00B\x00C\x001\x007\x00+\x003\x001\x002\x00A\x009\x00\x00\x00')
'PRIV:AverageLevel:{!\x00\x00'                      PRIV(owner='AverageLevel', data=b'{!\x00\x00')
'PRIV:PeakValue:¡~\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1~\x00\x00')
'TALB' (Album/Movie/Show title)                     '100 Lovers'
'TBPM' (BPM (beats per minute))                     '88.438'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-experimental'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Sunshine'
'TKEY' (Initial key)                                '4B'
'TLEN' (Length)                                     '295480'
'TPE1' (Lead performer(s)/Soloist(s))               'Devotchka'
'TRCK' (Track number/Position in set)               '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'                                  'alternative rock'
'TXXX:lastfmtags'                                   ['indie', 'gypsy', 'alternative', 'cabaret', 'folk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.14 dB'
'TXXX:replaygain_track_peak'                        '0.376401'

========================== row from database ==========================
                                              'id'  1274974
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Devotchka/Devotchka/100 Lovers/12 Sunshine.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  295
                                           'genre'  ifs-songwriter-experimental
                                        'filesize'  11813036
                                           'mtime'  1636400787
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 12 ifs songwriter experimental
                                      'tag_artist'  Devotchka
                                     'tag_release'  100 Lovers
                                       'tag_title'  Sunshine
                                             'bpm'  88.438
                                    'search_title'  'sunshine':1
                                   'search_artist'  'devotchka':1
                                  'search_release'  '100':1 'lovers':2
                                     'search_rest'  '00singer':1 'eos':3 'experimental':5 'ifs':4 'songwriter':2
                                    'search_combo'  '00singer':5 '100':3C 'devotchka':2B 'eos':7 'experimental':9 'ifs':8 'lovers':4C 'songwriter':6 'sunshine':1A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'gypsy', 'alternative', 'cabaret', 'folk']
                                        'tag_date'  2011
                                     'discogstags'  ['alternative rock']

============================== file details ==============================
                                           'mtime'  1636400786.5036337  (2021-11-08 20:46:26)
                             'size'  11813036