======================== unified (from filesystem) ========================
                                         'bitrate'  '228.0'
                                        'duration'  '186'
                                          'artist'  'Taking Back Sunday'
                                     'text_people'  ''
                                         'release'  'Louder Now: Parttwo'
                                           'title'  'Error: Operator'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'emo', 'punk', 'alternative', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'rock-pop-indie-emo'
                                             'bpm'  '112.445'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Louder Now: Parttwo'
'TBPM' (BPM (beats per minute))                     '112.445'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-indie-emo'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'lame 3.97mod'
'TIT2' (Title/songname/content description)         'Error: Operator'
'TKEY' (Initial key)                                '2A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Taking Back Sunday'
'TRCK' (Track number/Position in set)               '7'
'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', 'emo', 'punk', 'alternative', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.89 dB'
'TXXX:replaygain_track_peak'                        '0.381788'

========================== row from database ==========================
                                              'id'  1275708
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Taking Back Sunday/2007 - Louder Now Parttwo/07. Error- Operator.mp3
                                         'working'  None
                                         'bitrate'  228
                                    'duration_sec'  186
                                           'genre'  rock-pop-indie-emo
                                        'filesize'  5311015
                                           'mtime'  1621852572
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 2007 07. rock pop indie emo
                                      'tag_artist'  Taking Back Sunday
                                     'tag_release'  Louder Now: Parttwo
                                       'tag_title'  Error: Operator
                                             'bpm'  112.445
                                    'search_title'  'error':1,2 'operator':3
                                   'search_artist'  'back':2 'sunday':3 'taking':1
                                  'search_release'  'louder':1 'now':2,3 'parttwo':4
                                     'search_rest'  '00singer':1 '07':5,6 '2007':4 'emo':10 'eos':3 'indie':9 'pop':8 'rock':7 'songwriter':2
                                    'search_combo'  '00singer':11 '07':15,16 '2007':14 'back':5B 'emo':20 'eos':13 'error':1A,2A 'indie':19 'louder':7C 'now':8C,9C 'operator':3A 'parttwo':10C 'pop':18 'rock':17 'songwriter':12 'sunday':6B 'taking':4B
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'emo', 'punk', 'alternative', 'rock']
                                        'tag_date'  2007
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621852571.7109923  (2021-05-24 12:36:11)
                             'size'  5311015