======================== unified (from filesystem) ========================
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                                        'duration'  '507'
                                          'artist'  'Rob Costlow'
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                                           'title'  'L.A. - Passing By'
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                                      'lastfmtags'  "['instrumental', 'creative commons', 'piano', 'jamendo', 'ambient']"
                                     'discogstags'  "['new age', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
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                                     'tracknumber'  '2'
                                      'tracktotal'  '9'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments-contemporary'
                                             'bpm'  '98.741'
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rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sophomore Jinx'
'TBPM' (BPM (beats per minute))                     '98.741'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments-contemporary'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2005-04-26'
'TIT2' (Title/songname/content description)         'L.A. - Passing By'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Rob Costlow'
'TPE2' (Band/orchestra/accompaniment)               'Rob Costlow'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Tourist Records'
'TRCK' (Track number/Position in set)               '2/9'
'TSO2'                                              'Costlow, Rob'
'TSOP' (Performer sort order)                       'Costlow, Rob'
'TXXX:ASIN'                                         'B0002BSFOU'
'TXXX:BARCODE'                                      '0685862020627'
'TXXX:MusicBrainz Album Artist Id'                  '865d553f-e383-451b-a23f-78c24b8bfc01'
'TXXX:MusicBrainz Album Id'                         'e2d648d8-79c0-4363-8987-5b1d3bbce230'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '865d553f-e383-451b-a23f-78c24b8bfc01'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['new age', 'electronic']
'TXXX:lastfmtags'                                   ['instrumental', 'creative commons', 'piano', 'jamendo', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.15 dB'
'TXXX:replaygain_track_peak'                        '0.621768'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e60066aa-5cff-4029-9227-e1cf96edf138')

========================== row from database ==========================
                                              'id'  1358792
                                            'path'  /data/Music/Bulk/00poprockelectronic/Rob Costlow/Rob Costlow - 2004 - Sophomore Jinx/02 - L.A., Passing By.mp3
                                         'working'  None
                                         'bitrate'  188
                                    'duration_sec'  507
                                           'genre'  prerock-classical or classical instruments-contemporary
                                        'filesize'  11978277
                                           'mtime'  1637329814
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2004 02 L.A., prerock classical classical instruments contemporary
                                      'tag_artist'  Rob Costlow
                                     'tag_release'  Sophomore Jinx
                                       'tag_title'  L.A. - Passing By
                                             'bpm'  98.741
                                    'search_title'  'a':2 'by':5 'l':1 'la':3 'passing':4
                                   'search_artist'  'costlow':2 'rob':1
                                  'search_release'  'jinx':2 'sophomore':1
                                     'search_rest'  '00poprockelectronic':1 '2004':2 'a':4 'classical':7 'contemporary':9 'instruments':8 'l':3 'la':5 'prerock':6
                                    'search_combo'  '00poprockelectronic':10 '2004':11 'a':2A,13 'by':5A 'classical':16 'contemporary':18 'costlow':7B 'instruments':17 'jinx':9C 'l':1A,12 'la':3A,14 'passing':4A 'prerock':15 'rob':6B 'sophomore':8C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'creative commons', 'piano', 'jamendo', 'ambient']
                                        'tag_date'  2005
                                     'discogstags'  ['new age', 'electronic']

============================== file details ==============================
                                           'mtime'  1637329814.375958  (2021-11-19 14:50:14)
                             'size'  11978277