======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '103'
                                          'artist'  'The Meantraitors'
                                     'text_people'  'Meantraitors'
                                         'release'  'Meantraitors From Psychobillyland'
                                           'title'  'Broken Nail'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
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 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['psychobilly', 'russian', 'rockabilly', 'punk']"
                                     'discogstags'  "['psychobilly', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '20'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '99.469'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunNORM:eng'                                 (' 000001E8 00000000 000006AA 00000000 00004E20 00000000 00004B50 00000000 '
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'TALB' (Album/Movie/Show title)                     'Meantraitors From Psychobillyland'
'TBPM' (BPM (beats per minute))                     '99.469'
'TCOM' (Composer)                                   'Meantraitors'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997-11-17'
'TIT2' (Title/songname/content description)         'Broken Nail'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Meantraitors'
'TPE2' (Band/orchestra/accompaniment)               'The Meantraitors'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Tombstone Records'
'TRCK' (Track number/Position in set)               '7/20'
'TSO2'                                              'Meantraitors, The'
'TSOP' (Performer sort order)                       'Meantraitors, The'
'TXXX:Artists'                                      'The Meantraitors'
'TXXX:CATALOGNUMBER'                                'TOMBCD2033'
'TXXX:MusicBrainz Album Artist Id'                  '037d62d2-89aa-4622-8c70-97e7ef05bd2e'
'TXXX:MusicBrainz Album Id'                         '0646515f-915d-409c-a7d6-a9900f206ce9'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '037d62d2-89aa-4622-8c70-97e7ef05bd2e'
'TXXX:MusicBrainz Release Group Id'                 '92961e7d-0530-351d-b7ee-e0eb532cfafd'
'TXXX:MusicBrainz Release Track Id'                 'f66626b2-b574-358a-83ec-d61d689f03b7'
'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'                                  ['psychobilly', 'rock']
'TXXX:lastfmtags'                                   ['psychobilly', 'russian', 'rockabilly', 'punk']
'TXXX:originalyear'                                 '1997'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.18 dB'
'TXXX:replaygain_track_peak'                        '0.605141'
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========================== row from database ==========================
                                              'id'  1296617
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Meantraitors/1991 - meantraitors from psychobilly land/07 - Broken Nail.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  103
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  3317154
                                           'mtime'  1620526546
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica 1991 meantraitors from psychobilly 07 rock rockabilly psychobilly
                                      'tag_artist'  The Meantraitors
                                     'tag_release'  Meantraitors From Psychobillyland
                                       'tag_title'  Broken Nail
                                             'bpm'  99.469
                                    'search_title'  'broken':1 'nail':2
                                   'search_artist'  'meantraitors':2 'the':1
                                  'search_release'  'from':2 'meantraitors':1 'psychobillyland':3
                                     'search_rest'  '00poprockelectronic':1 '1991':3 'from':5 'meantraitors':4 'musica':2 'psychobilly':6 'rock':7 'rockabilly':8
                                    'search_combo'  '00poprockelectronic':8 '1991':10 'broken':1A 'from':6C,12 'meantraitors':4B,5C,11 'musica':9 'nail':2A 'psychobilly':13 'psychobillyland':7C 'rock':14 'rockabilly':15 'the':3B
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['psychobilly', 'russian', 'rockabilly', 'punk']
                                        'tag_date'  1997
                                     'discogstags'  ['psychobilly', 'rock']

============================== file details ==============================
                                           'mtime'  1620526546.2641737  (2021-05-09 04:15:46)
                             'size'  3317154