======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '405'
                                          'artist'  'Laurie Anderson'
                                     'text_people'  'Laurie Anderson'
                                         'release'  'United States Live'
                                           'title'  'Walk the Dog'
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 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
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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'  '12'
                                            'date'  '1984'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '137.2'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunes_CDDB_IDs:eng'                          '16+73EC5CDE11FD1820C363E9A86DAB81B1+1267377'
'TALB' (Album/Movie/Show title)                     'United States Live'
'TBPM' (BPM (beats per minute))                     '137.2'
'TCOM' (Composer)                                   'Laurie Anderson'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDOR' (Original release time)                      '1984'
'TDRC' (Recording time)                             '1984'
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'TIT2' (Title/songname/content description)         'Walk the Dog'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Laurie Anderson'
'TPE2' (Band/orchestra/accompaniment)               'Laurie Anderson'
'TPOS' (Part of a set)                              '1/5'
'TPUB' (Publisher)                                  'Warner Bros. Records'
'TRCK' (Track number/Position in set)               '2/12'
'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-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'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
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'TXXX:q-mixbeat'                                    '1'
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'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.31 dB'
'TXXX:replaygain_track_peak'                        '0.985882'
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========================== row from database ==========================
                                              'id'  1536708
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Laurie Anderson/1984 - United States Live/Laurie Anderson - United States Live - 1-02 - Walk The Dog.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  405
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  16252031
                                           'mtime'  1620539481
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1984 1 02 The electronic experimental oddness
                                      'tag_artist'  Laurie Anderson
                                     'tag_release'  United States Live
                                       'tag_title'  Walk the Dog
                                             'bpm'  137.2
                                    'search_title'  'dog':3 'the':2 'walk':1
                                   'search_artist'  'anderson':2 'laurie':1
                                  'search_release'  'live':3 'states':2 'united':1
                                     'search_rest'  '1':2 '1984':1 'electronic':4 'experimental':5 'oddness':6 'the':3
                                    'search_combo'  '1':10 '1984':9 'anderson':5B 'dog':3A 'electronic':12 'experimental':13 'laurie':4B 'live':8C 'oddness':14 'states':7C 'the':2A,11 'united':6C 'walk':1A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['electronic', 'female vocalists', 'avant garde', 'spoken word', 'experimental']
                                        'tag_date'  1984
                                     'discogstags'  ['electronic', 'experimental']

============================== file details ==============================
                                           'mtime'  1620539480.7147927  (2021-05-09 07:51:20)
                             'size'  16252031