======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '224'
                                          'artist'  'Gerard Ekdom Hidden Treasures'
                                     'text_people'  ''
                                         'release'  'Gerard Ekdom Hidden Treasures (CD2)'
                                           'title'  'Reminder'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-2', 'q-vocals-3', 'q-mixbeat-2', 'Q-PIANO-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '84.0'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Gerard Ekdom Hidden Treasures (CD2)'
'TBPM' (BPM (beats per minute))                     '84.0'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Reminder'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Wealthy Beggar'
'TPE2' (Band/orchestra/accompaniment)               'Gerard Ekdom Hidden Treasures'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.59 dB'
'TXXX:replaygain_track_peak'                        '0.435682'

========================== row from database ==========================
                                              'id'  1385621
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/(16) - Wealthy Beggar - Reminder.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  224
                                           'genre'  
                                        'filesize'  9251433
                                           'mtime'  1652397918
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] (16) Wealthy Beggar
                                      'tag_artist'  Gerard Ekdom Hidden Treasures
                                     'tag_release'  Gerard Ekdom Hidden Treasures (CD2)
                                       'tag_title'  Reminder
                                             'bpm'  84.0
                                    'search_title'  'reminder':1
                                   'search_artist'  'ekdom':2 'gerard':1 'hidden':3 'treasures':4
                                  'search_release'  'cd2':5,6 'ekdom':2 'gerard':1 'hidden':3 'treasures':4
                                     'search_rest'  '00poprockelectronic':1 '16':7,8 'beggar':10 'files':5,6 'loose':3,4 'unsorted':2 'wealthy':9
                                    'search_combo'  '00poprockelectronic':12 '16':18,19 'beggar':21 'cd2':10C,11C 'ekdom':3B,7C 'files':16,17 'gerard':2B,6C 'hidden':4B,8C 'loose':14,15 'reminder':1A 'treasures':5B,9C 'unsorted':13 'wealthy':20
                                    'tag_tracknum'  16
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-chart-3', 'q-drums-3', 'q-other-2', 'q-vocals-3', 'q-mixbeat-2', 'Q-PIANO-2']
                                      'lastfmtags'  []
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397918.40626  (2022-05-13 01:25:18)
                             'size'  9251433