======================== unified (from filesystem) ========================
                                         'bitrate'  '276.496'
                                        'duration'  '310'
                                          'artist'  'The Mars Volta'
                                     'text_people'  ''
                                         'release'  'The Bedlam in Goliath'
                                           'title'  'Askepios'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative', 'progressive rock', 'progressive', 'experimental', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '13'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '137.199'
                                             'key'  '6A'
                                        'acoustid'  '4e1e77cc-4d62-4255-968a-14a36f5cb223'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Bedlam in Goliath'
'TBPM' (BPM (beats per minute))                     '137.199'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-01-26'
'TIT2' (Title/songname/content description)         'Askepios'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Mars Volta'
'TPE2' (Band/orchestra/accompaniment)               'The Mars Volta'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Universal Records'
'TRCK' (Track number/Position in set)               '9/13'
'TSO2'                                              'Mars Volta, The'
'TSOP' (Performer sort order)                       'Mars Volta, The'
'TSRC' (ISRC (international standard recording code))  'USUM70764866'
'TXXX:Acoustid Id'                                  '4e1e77cc-4d62-4255-968a-14a36f5cb223'
'TXXX:BARCODE'                                      '0602517584433'
'TXXX:CATALOGNUMBER'                                '1758443'
'TXXX:Mp3gain_minmax'                               '125,184'
'TXXX:Mp3gain_undo'                                 '+006,+006,N'
'TXXX:MusicBrainz Album Artist Id'                  '20883363-1ea4-4d72-ad72-c0e767038f3e'
'TXXX:MusicBrainz Album Id'                         '9a485a8f-5186-41b9-ab2e-1837db25a465'
'TXXX:MusicBrainz Album Release Country'            'AU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '20883363-1ea4-4d72-ad72-c0e767038f3e'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['alternative', 'progressive rock', 'progressive', 'experimental', 'rock']
'TXXX:q-bass'                                       '2'
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.28 dB'
'TXXX:replaygain_track_peak'                        '0.375122'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4a2a912f-48b9-449b-8bf0-aa027d5390a3')

========================== row from database ==========================
                                              'id'  1414065
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/The Mars Volta/The Bedlam in Goliath/09 Askepios.mp3
                                         'working'  None
                                         'bitrate'  276
                                    'duration_sec'  310
                                           'genre'  rock-cppex-progressive
                                        'filesize'  10748318
                                           'mtime'  1620737772
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 09 rock cppex progressive
                                      'tag_artist'  The Mars Volta
                                     'tag_release'  The Bedlam in Goliath
                                       'tag_title'  Askepios
                                             'bpm'  137.199
                                    'search_title'  'askepios':1
                                   'search_artist'  'mars':2 'the':1 'volta':3
                                  'search_release'  'bedlam':2 'goliath':4 'in':3 'the':1
                                     'search_rest'  'classicprogpsy':1 'cppex':3 'progressive':4 'rock':2
                                    'search_combo'  'askepios':1A 'bedlam':6C 'classicprogpsy':9 'cppex':11 'goliath':8C 'in':7C 'mars':3B 'progressive':12 'rock':10 'the':2B,5C 'volta':4B
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'progressive rock', 'progressive', 'experimental', 'rock']
                                        'tag_date'  2008
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737772.3625014  (2021-05-11 14:56:12)
                             'size'  10748318