======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '225'
                                          'artist'  'Laura Veirs'
                                     'text_people'  ''
                                         'release'  'July Flame'
                                           'title'  'July Flame'
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                                      'lastfmtags'  "['indie', 'acoustic', 'female vocalists', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'pop', 'folk rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '13'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '124'
                                             'key'  '11A'
                                        'acoustid'  '2103702d-070f-4ad4-8da5-bc1d9523ce05'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 ('00000778 00000B65 00005386 000058F6 000339B6 00031600 000087E6 00008CF6 '
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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 ('00000000 00000210 00000A80 000000000097C5F0 00000000 00899469 00000000 '
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'COMM:iTunes_CDDB_IDs:eng'                          '13+E7BE3A16614CDBB3B83720559B059CF8+13435660'
'TALB' (Album/Movie/Show title)                     'July Flame'
'TBPM' (BPM (beats per minute))                     '124'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDOR' (Original release time)                      '2010'
'TDRC' (Recording time)                             '2010-01-11'
'TENC' (Encoded by)                                 'iTunes 9.0.0.70'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['strings', 'Tosca String Quartet']])
'TIT2' (Title/songname/content description)         'July Flame'
'TKEY' (Initial key)                                '11A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Laura Veirs'
'TPE2' (Band/orchestra/accompaniment)               'Laura Veirs'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Bella Union'
'TRCK' (Track number/Position in set)               '2/13'
'TSO2'                                              'Veirs, Laura'
'TSOP' (Performer sort order)                       'Veirs, Laura'
'TSRC' (ISRC (international standard recording code))  'GBBRP0922002'
'TXXX:ASIN'                                         'B002W1HBIE'
'TXXX:Acoustid Id'                                  '2103702d-070f-4ad4-8da5-bc1d9523ce05'
'TXXX:Artists'                                      'Laura Veirs'
'TXXX:BARCODE'                                      '602527219844'
'TXXX:CATALOGNUMBER'                                'BELLACD220'
'TXXX:MusicBrainz Album Artist Id'                  '8951c87f-f730-4247-b442-52ed14ad6a97'
'TXXX:MusicBrainz Album Id'                         '7f09a052-b123-46f3-a343-df90a37f3006'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '8951c87f-f730-4247-b442-52ed14ad6a97'
'TXXX:MusicBrainz Release Group Id'                 'a6fe7336-92d7-48fc-8527-a7168c767f8e'
'TXXX:MusicBrainz Release Track Id'                 'd9a4ce99-f25e-3250-b659-e97c76edbea6'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'pop', 'folk rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'acoustic', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:originalyear'                                 '2010'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.98 dB'
'TXXX:replaygain_track_peak'                        '0.463251'
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========================== row from database ==========================
                                              'id'  1380775
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Laura Veirs - July Flame/Laura Veirs - July Flame.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  225
                                           'genre'  ifs-songwriter
                                        'filesize'  9071525
                                           'mtime'  1628357434
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos ifs songwriter
                                      'tag_artist'  Laura Veirs
                                     'tag_release'  July Flame
                                       'tag_title'  July Flame
                                             'bpm'  124.0
                                    'search_title'  'flame':2 'july':1
                                   'search_artist'  'laura':1 'veirs':2
                                  'search_release'  'flame':2 'july':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'songwriter':2
                                    'search_combo'  '00singer':7 'eos':9 'flame':2A,6C 'ifs':10 'july':1A,5C 'laura':3B 'songwriter':8 'veirs':4B
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  11A
                                           '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-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  2010
                                     'discogstags'  ['rock', 'pop', 'folk rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1628357433.849957  (2021-08-07 19:30:33)
                             'size'  9071525