======================== unified (from filesystem) ========================
                                         'bitrate'  '241.477'
                                        'duration'  '268'
                                          'artist'  'The Faint'
                                     'text_people'  ''
                                         'release'  'Danse Macabre'
                                           'title'  'Ballad of a Paralysed Citizen'
                                           'quals'  ("['Q-HAP-3', '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-1']")
                                      'lastfmtags'  "['indie', 'dance', 'electronica', 'electronic', 'indie rock']"
                                     'discogstags'  "['electronic', 'rock', 'new wave', 'electro']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock;set-pl-sced'
                                             'bpm'  '120.113'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Danse Macabre'
'TBPM' (BPM (beats per minute))                     '120.113'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie-rock', 'set-pl-sced']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Ballad of a Paralysed Citizen'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Faint'
'TPE2' (Band/orchestra/accompaniment)               'The Faint'
'TRCK' (Track number/Position in set)               '9'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97 (beta)'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'new wave', 'electro']
'TXXX:lastfmtags'                                   ['indie', 'dance', 'electronica', 'electronic', 'indie rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.04 dB'
'TXXX:replaygain_track_peak'                        '0.447056'

========================== row from database ==========================
                                              'id'  1333108
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Faint/[2001] Danse Macabre/09 Ballad of a Paralysed Citizen.mp3
                                         'working'  None
                                         'bitrate'  241
                                    'duration_sec'  268
                                           'genre'  ifs-songwriter-indie-rock;set-pl-sced
                                        'filesize'  8294686
                                           'mtime'  1621696628
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [2001] 09 ifs songwriter indie rock;set pl sced
                                      'tag_artist'  The Faint
                                     'tag_release'  Danse Macabre
                                       'tag_title'  Ballad of a Paralysed Citizen
                                             'bpm'  120.113
                                    'search_title'  'a':3 'ballad':1 'citizen':5 'of':2 'paralysed':4
                                   'search_artist'  'faint':2 'the':1
                                  'search_release'  'danse':1 'macabre':2
                                     'search_rest'  '00poprockelectronic':1 '2001':2,3 'ifs':4 'indie':6 'pl':11 'rock':7,9 'sced':12 'set':8,10 'songwriter':5
                                    'search_combo'  '00poprockelectronic':10 '2001':11,12 'a':3A 'ballad':1A 'citizen':5A 'danse':8C 'faint':7B 'ifs':13 'indie':15 'macabre':9C 'of':2A 'paralysed':4A 'pl':20 'rock':16,18 'sced':21 'set':17,19 'songwriter':14 'the':6B
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'dance', 'electronica', 'electronic', 'indie rock']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'rock', 'new wave', 'electro']

============================== file details ==============================
                                           'mtime'  1621696628.0158138  (2021-05-22 17:17:08)
                             'size'  8294686