======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '259'
                                          'artist'  'Clara Rockmore'
                                     'text_people'  ''
                                         'release'  'The Art Of The Theremin'
                                           'title'  'Song Of Grusia'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-3', 'Q-PLAY-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['contemporary classical', 'theremin', 'electronic', 'early electronic', "
 "'classical']")
                                     'discogstags'  "['electronic', 'classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early;mi-theremin;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '145.9'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Art Of The Theremin'
'TBPM' (BPM (beats per minute))                     '145.9'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-early',
 'mi-theremin',
 'set-pl-shirleyspinoza',
 'set-pl-mor']
'TDRC' (Recording time)                             '1987'
'TIT2' (Title/songname/content description)         'Song Of Grusia'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '259682'
'TPE1' (Lead performer(s)/Soloist(s))               'Clara Rockmore'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'classical']
'TXXX:lastfmtags'                                   ['contemporary classical',
 'theremin',
 'electronic',
 'early electronic',
 'classical']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.72 dB'
'TXXX:replaygain_track_peak'                        '0.411998'

========================== row from database ==========================
                                              'id'  973532
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Clara Rockmore - The Art Of The Theremin (1987)/02. Song Of Grusia.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  259
                                           'genre'  electronic-experimental-early;mi-theremin;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  6234428
                                           'mtime'  1620527987
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm (1987) 02. electronic experimental early;mi theremin;set pl shirleyspinoza;set pl
                                      'tag_artist'  Clara Rockmore
                                     'tag_release'  The Art Of The Theremin
                                       'tag_title'  Song Of Grusia
                                             'bpm'  145.9
                                    'search_title'  'grusia':3 'of':2 'song':1
                                   'search_artist'  'clara':1 'rockmore':2
                                  'search_release'  'art':2 'of':3 'the':1 'theremin':4
                                     'search_rest'  '02':3,4 '1987':1,2 'early':7,9 'electronic':5 'experimental':6 'mi':8,10 'pl':15 'set':12,14,17,19 'shirleyspinoza':16,18 'theremin':11,13
                                    'search_combo'  '02':12,13 '1987':10,11 'art':7C 'clara':4B 'early':16,18 'electronic':14 'experimental':15 'grusia':3A 'mi':17,19 'of':2A,8C 'pl':24 'rockmore':5B 'set':21,23,26,28 'shirleyspinoza':25,27 'song':1A 'the':6C 'theremin':9C,20,22
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['contemporary classical', 'theremin', 'electronic', 'early electronic', 'classical']
                                        'tag_date'  1987
                                     'discogstags'  ['electronic', 'classical']

============================== file details ==============================
                                           'mtime'  1620527986.7845962  (2021-05-09 04:39:46)
                             'size'  6234428