======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '150'
                                          'artist'  'Ferrante & Teicher'
                                     'text_people'  ''
                                         'release'  'Soundproof'
                                           'title'  'Mermaid Waltz'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-2', "
 "'Q-PLAY-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'Q-PIANO-2', "
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                                      'lastfmtags'  "['instrumental', 'lounge', 'space age pop', 'illstreet', 'easy listening']"
                                     'discogstags'  "['jazz', 'pop', 'stage & screen', 'easy listening', 'space-age']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '112.1'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunes_CDDB_IDs:eng'                          '24+92764F9E55D38C0156A94238DC160F48+10146465'
'TALB' (Album/Movie/Show title)                     'Soundproof'
'TBPM' (BPM (beats per minute))                     '112.1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'set-pl-shirleyspinoza', 'set-pl-mor', 'set-pl-mor']
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Mermaid Waltz'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ferrante And Teicher'
'TPE2' (Band/orchestra/accompaniment)               'Ferrante & Teicher'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'pop', 'stage & screen', 'easy listening', 'space-age']
'TXXX:lastfmtags'                                   ['instrumental', 'lounge', 'space age pop', 'illstreet', 'easy listening']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.95 dB'
'TXXX:replaygain_track_peak'                        '0.761479'
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========================== row from database ==========================
                                              'id'  1120482
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/ferrante & teicher - Soundproof + Soundblast/ferrante & teicher - soundproof - 05 - mermaid waltz.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  150
                                           'genre'  electronic-unsorted;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  6034411
                                           'mtime'  1620347307
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm ferrante teicher + Soundblast ferrante teicher soundproof 05 mermaid waltz electronic unsorted;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Ferrante & Teicher
                                     'tag_release'  Soundproof
                                       'tag_title'  Mermaid Waltz
                                             'bpm'  112.1
                                    'search_title'  'mermaid':1 'waltz':2
                                   'search_artist'  'ferrante':1 'teicher':2
                                  'search_release'  'soundproof':1
                                     'search_rest'  'electronic':7 'ferrante':1 'mermaid':5 'mor':17 'pl':12 'set':9,11,14,16 'shirleyspinoza':13,15 'soundblast':3 'soundproof':4 'teicher':2 'unsorted':8,10 'waltz':6
                                    'search_combo'  'electronic':12 'ferrante':3B,6 'mermaid':1A,10 'mor':22 'pl':17 'set':14,16,19,21 'shirleyspinoza':18,20 'soundblast':8 'soundproof':5C,9 'teicher':4B,7 'unsorted':13,15 'waltz':2A,11
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-PLAY-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'lounge', 'space age pop', 'illstreet', 'easy listening']
                                        'tag_date'  2007
                                     'discogstags'  ['jazz', 'pop', 'stage & screen', 'easy listening', 'space-age']

============================== file details ==============================
                                           'mtime'  1620347306.6522844  (2021-05-07 02:28:26)
                             'size'  6034411