======================== unified (from filesystem) ========================
                                         'bitrate'  '173.862'
                                        'duration'  '161'
                                          'artist'  'Blind Boy Fuller'
                                     'text_people'  ''
                                         'release'  'Acoustic Blues'
                                           'title'  'Pistol Slapper Blues'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-3', 'Q-LOCALNESS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  "['guitar', 'blues', 'classic blues', 'delta blues', 'piedmont blues']"
                                     'discogstags'  "['blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '25'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '155'
                                             'key'  '9B'
                                        'acoustid'  'a370c3a0-e9dc-4fda-a1d2-fbe8b6d36373'
rest: ''

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

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'COMM:ID3v1 Comment:XXX'                            '85114E19+332433+25+150+14874'
'COMM:iTunes_CDDB_1:eng'                            '85114E19+332433+25+150+14874+28634+41617+53224+66861+81075+94795+108925+119831+131965+145889+162383+176517+188803+201654+212784+225730+238401+250189+265153+276189+289270+304795+318037'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '10'
'TALB' (Album/Movie/Show title)                     'Acoustic Blues'
'TBPM' (BPM (beats per minute))                     '155'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-blues', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDOR' (Original release time)                      '2012'
'TDRC' (Recording time)                             '2012-09-28'
'TENC' (Encoded by)                                 'dBpoweramp Release 14.2'
'TIT2' (Title/songname/content description)         'Pistol Slapper Blues'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Blind Boy Fuller'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'Not Now Music'
'TRCK' (Track number/Position in set)               '10/25'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Fuller, Blind Boy'
'TXXX:ASIN'                                         'B009HCBDSA'
'TXXX:Acoustid Id'                                  'a370c3a0-e9dc-4fda-a1d2-fbe8b6d36373'
'TXXX:Artists'                                      'Blind Boy Fuller'
'TXXX:BARCODE'                                      '5060143494697'
'TXXX:CATALOGNUMBER'                                'NOT2CD469'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '5b09ad00-ebd3-4933-a163-21505f794555'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'd9109c45-ddf6-4481-89ee-d6bee8306db3'
'TXXX:MusicBrainz Release Group Id'                 'db2d3f7d-4bfc-4dc0-a0e9-6d302551c5f8'
'TXXX:MusicBrainz Release Track Id'                 'd8d47361-4941-46ed-a3be-d9544d9bda12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'blues'
'TXXX:lastfmtags'                                   ['guitar', 'blues', 'classic blues', 'delta blues', 'piedmont blues']
'TXXX:originalyear'                                 '2012'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.51 dB'
'TXXX:replaygain_track_peak'                        '0.354023'
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========================== row from database ==========================
                                              'id'  948017
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/va - Raw Blues Classics Vol. 2/10 - Blind Boy Fuller - Pistol Slapper Blues.mp3
                                         'working'  None
                                         'bitrate'  173
                                    'duration_sec'  161
                                           'genre'  prerock-jb-blues;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3607517
                                           'mtime'  1620346138
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country va Raw Classics Vol. 2 10 prerock jb blues;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Blind Boy Fuller
                                     'tag_release'  Acoustic Blues
                                       'tag_title'  Pistol Slapper Blues
                                             'bpm'  155.0
                                    'search_title'  'blues':3 'pistol':1 'slapper':2
                                   'search_artist'  'blind':1 'boy':2 'fuller':3
                                  'search_release'  'acoustic':1 'blues':2
                                     'search_rest'  '2':10 'blues':13,15 'classics':7 'country':4 'exotica':2 'jazz':1 'jb':12 'mor':22 'oldies':3 'pl':17 'prerock':11 'raw':6 'set':14,16,19,21 'shirleyspinoza':18,20 'va':5 'vol':8,9
                                    'search_combo'  '2':18 'acoustic':7C 'blind':4B 'blues':3A,8C,21,23 'boy':5B 'classics':15 'country':12 'exotica':10 'fuller':6B 'jazz':9 'jb':20 'mor':30 'oldies':11 'pistol':1A 'pl':25 'prerock':19 'raw':14 'set':22,24,27,29 'shirleyspinoza':26,28 'slapper':2A 'va':13 'vol':16,17
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['guitar', 'blues', 'classic blues', 'delta blues', 'piedmont blues']
                                        'tag_date'  2012
                                     'discogstags'  ['blues']

============================== file details ==============================
                                           'mtime'  1620346138.3658533  (2021-05-07 02:08:58)
                             'size'  3607517