======================== unified (from filesystem) ========================
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                                        'duration'  '348'
                                          'artist'  'Madonna'
                                     'text_people'  ''
                                         'release'  'The Very Best of All Woman. Th'
                                           'title'  'Like A Prayer'
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                                      'lastfmtags'  "['dance', '80s', 'female vocalists', 'pop', 'electronic']"
                             'musicbrainz_albumid'  ''
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                            'musicbrainz_artistid'  ''
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                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '111.886'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Very Best of All Woman. Th'
'TBPM' (BPM (beats per minute))                     '111.886'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Like A Prayer'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Madonna'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dance', '80s', 'female vocalists', 'pop', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.04 dB'
'TXXX:replaygain_track_peak'                        '0.648630'

========================== row from database ==========================
                                              'id'  1339258
                                            'path'  /data/Music/Bulk/00poprockelectronic/Madonna/03 Like a Prayer.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  348
                                           'genre'  electronic-unsorted
                                        'filesize'  8371909
                                           'mtime'  1621696335
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 03 electronic unsorted
                                      'tag_artist'  Madonna
                                     'tag_release'  The Very Best of All Woman. Th
                                       'tag_title'  Like A Prayer
                                             'bpm'  111.886
                                    'search_title'  'a':2 'like':1 'prayer':3
                                   'search_artist'  'madonna':1
                                  'search_release'  'all':5 'best':3 'of':4 'th':8 'the':1 'very':2 'woman':6,7
                                     'search_rest'  '00poprockelectronic':1 'electronic':2 'unsorted':3
                                    'search_combo'  '00poprockelectronic':13 'a':2A 'all':9C 'best':7C 'electronic':14 'like':1A 'madonna':4B 'of':8C 'prayer':3A 'th':12C 'the':5C 'unsorted':15 'very':6C 'woman':10C,11C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', '80s', 'female vocalists', 'pop', 'electronic']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696335.3367012  (2021-05-22 17:12:15)
                             'size'  8371909