======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '107'
                                          'artist'  'Dredg'
                                     'text_people'  ''
                                         'release'  'El Cielo'
                                           'title'  'Brushstoke: An Elephant In the Delta Waves'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'progressive rock', 'progressive', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '124.163'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'El Cielo'
'TBPM' (BPM (beats per minute))                     '124.163'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Brushstoke: An Elephant In the Delta Waves'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dredg'
'TRCK' (Track number/Position in set)               '13'
'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'                                   ['alternative rock', 'alternative', 'progressive rock', 'progressive', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'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'                        '-2.49 dB'
'TXXX:replaygain_track_peak'                        '0.642424'

========================== row from database ==========================
                                              'id'  1304612
                                            'path'  /data/Music/Bulk/00poprockelectronic/Dredg/El Cielo/13-dredg-brushstoke_an_elephant_in_the_delta_waves.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  107
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  2588767
                                           'mtime'  1637330405
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 13 dredg brushstoke_an_elephant_in_the_delta_waves ifs songwriter indie rock
                                      'tag_artist'  Dredg
                                     'tag_release'  El Cielo
                                       'tag_title'  Brushstoke: An Elephant In the Delta Waves
                                             'bpm'  124.163
                                    'search_title'  'an':3 'brushstoke':1,2 'delta':7 'elephant':4 'in':5 'the':6 'waves':8
                                   'search_artist'  'dredg':1
                                  'search_release'  'cielo':2 'el':1
                                     'search_rest'  '00poprockelectronic':1 'an':4 'brushstoke':3 'delta':8 'dredg':2 'elephant':5 'ifs':10 'in':6 'indie':12 'rock':13 'songwriter':11 'the':7 'waves':9
                                    'search_combo'  '00poprockelectronic':12 'an':3A,15 'brushstoke':1A,2A,14 'cielo':11C 'delta':7A,19 'dredg':9B,13 'el':10C 'elephant':4A,16 'ifs':21 'in':5A,17 'indie':23 'rock':24 'songwriter':22 'the':6A,18 'waves':8A,20
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'progressive rock', 'progressive', 'rock']
                                        'tag_date'  2002
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637330404.7852917  (2021-11-19 15:00:04)
                             'size'  2588767