======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '230'
                                          'artist'  'Laurie Anderson'
                                     'text_people'  'Laurie Anderson'
                                         'release'  'United States Live'
                                           'title'  'Hey Ah'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
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                                      'lastfmtags'  ("['electronic', 'female vocalists', 'avant garde', 'spoken word', "
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                                     'discogstags'  "['electronic', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '21'
                                            'date'  '1984'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '109.6'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunNORM:eng'                                 (' 0000011B 000000EC 00000A49 00000ADE 0002711A 0002711A 00004745 00005110 '
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'COMM:iTunes_CDDB_IDs:eng'                          '21+6DC1E7C60B72E85BC1F987BE21BC0714+201327'
'TALB' (Album/Movie/Show title)                     'United States Live'
'TBPM' (BPM (beats per minute))                     '109.6'
'TCOM' (Composer)                                   'Laurie Anderson'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDOR' (Original release time)                      '1984'
'TDRC' (Recording time)                             '1984'
'TENC' (Encoded by)                                 'iTunes 9.2.1'
'TIT2' (Title/songname/content description)         'Hey Ah'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Laurie Anderson'
'TPE2' (Band/orchestra/accompaniment)               'Laurie Anderson'
'TPOS' (Part of a set)                              '4/5'
'TPUB' (Publisher)                                  'Warner Bros. Records'
'TRCK' (Track number/Position in set)               '2/21'
'TSO2'                                              'Anderson, Laurie'
'TSOP' (Performer sort order)                       'Anderson, Laurie'
'TXXX:BARCODE'                                      '075992519212'
'TXXX:CATALOGNUMBER'                                '925 192-1'
'TXXX:MusicBrainz Album Artist Id'                  '86809b51-cbe2-45f1-804a-e66eed635dea'
'TXXX:MusicBrainz Album Id'                         '249067f7-9a6c-46c1-9097-fff267ef2baf'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'live'
'TXXX:MusicBrainz Artist Id'                        '86809b51-cbe2-45f1-804a-e66eed635dea'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'experimental']
'TXXX:lastfmtags'                                   ['electronic', 'female vocalists', 'avant garde', 'spoken word', 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
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'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'                        '+2.05 dB'
'TXXX:replaygain_track_peak'                        '0.754465'
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========================== row from database ==========================
                                              'id'  1536470
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Laurie Anderson/1984 - United States Live/Laurie Anderson - United States Live - 3-02 - Hey Ah.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  230
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  9226950
                                           'mtime'  1620539559
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1984 3 02 electronic experimental oddness
                                      'tag_artist'  Laurie Anderson
                                     'tag_release'  United States Live
                                       'tag_title'  Hey Ah
                                             'bpm'  109.6
                                    'search_title'  'ah':2 'hey':1
                                   'search_artist'  'anderson':2 'laurie':1
                                  'search_release'  'live':3 'states':2 'united':1
                                     'search_rest'  '1984':1 '3':2 'electronic':3 'experimental':4 'oddness':5
                                    'search_combo'  '1984':8 '3':9 'ah':2A 'anderson':4B 'electronic':10 'experimental':11 'hey':1A 'laurie':3B 'live':7C 'oddness':12 'states':6C 'united':5C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['electronic', 'female vocalists', 'avant garde', 'spoken word', 'experimental']
                                        'tag_date'  1984
                                     'discogstags'  ['electronic', 'experimental']

============================== file details ==============================
                                           'mtime'  1620539559.1732018  (2021-05-09 07:52:39)
                             'size'  9226950