======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '158'
                                          'artist'  'Johnny "Dizzy" Moore'
                                     'text_people'  ''
                                         'release'  'Trojan Ska Box Set'
                                           'title'  'Sudden Destruction'
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                                      'lastfmtags'  "['ska', 'reggae', 'test', 'all', 'rocksteady']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '17'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '132'
                                             'key'  '5B'
                                        'acoustid'  'ad098087-4d36-43de-b4b2-7c415b2235e7'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'COMM:iTunes_CDDB_1:eng'                            'D40AE511+209340+17+150+13996+25753+37502+49321+64532+76450+87405+98711+110271+120249+130475+141233+153064+166643+180691+194808'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '6'
'TALB' (Album/Movie/Show title)                     'Trojan Ska Box Set'
'TBPM' (BPM (beats per minute))                     '132'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998'
'TENC' (Encoded by)                                 'iTunes v6.0.1.3'
'TIT2' (Title/songname/content description)         'Sudden Destruction'
'TKEY' (Initial key)                                '5B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny "Dizzy" Moore'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/3'
'TPUB' (Publisher)                                  'Trojan Records'
'TRCK' (Track number/Position in set)               '6/17'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Moore, Johnny Dizzy'
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'TXXX:Acoustid Id'                                  'ad098087-4d36-43de-b4b2-7c415b2235e7'
'TXXX:Artists'                                      'Johnny "Dizzy" Moore'
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'TXXX:CATALOGNUMBER'                                'TRBCD 001'
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'TXXX:MusicBrainz Album Release Country'            'GB'
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'TXXX:MusicBrainz Album Type'                       'album/compilation'
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'TXXX:MusicBrainz Release Group Id'                 '227d2ea9-a75f-38a5-85ce-81ba27c76ca0'
'TXXX:MusicBrainz Release Track Id'                 '5a2914c5-5e80-392e-8653-73a15195cebe'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['ska', 'reggae', 'test', 'all', 'rocksteady']
'TXXX:originalyear'                                 '1998'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.18 dB'
'TXXX:replaygain_track_peak'                        '0.309150'
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========================== row from database ==========================
                                              'id'  933358
                                            'path'  /data/Music/Bulk/00localcharacter/Trojan Ska/2-06 Sudden Destruction.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  158
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  3236173
                                           'mtime'  1620523755
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 2 06 loc style reggae dub ska dancehall dub roots and reggae
                                      'tag_artist'  Johnny "Dizzy" Moore
                                     'tag_release'  Trojan Ska Box Set
                                       'tag_title'  Sudden Destruction
                                             'bpm'  132.0
                                    'search_title'  'destruction':2 'sudden':1
                                   'search_artist'  'dizzy':2 'johnny':1 'moore':3
                                  'search_release'  'box':3 'set':4 'ska':2 'trojan':1
                                     'search_rest'  '2':1 'and':9 'dancehall':7 'dub':5 'loc':2 'reggae':4 'roots':8 'ska':6 'style':3
                                    'search_combo'  '2':10 'and':18 'box':8C 'dancehall':16 'destruction':2A 'dizzy':4B 'dub':14 'johnny':3B 'loc':11 'moore':5B 'reggae':13 'roots':17 'set':9C 'ska':7C,15 'style':12 'sudden':1A 'trojan':6C
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ska', 'reggae', 'test', 'all', 'rocksteady']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620523755.379277  (2021-05-09 03:29:15)
                             'size'  3236173