======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '268'
                                          'artist'  'Bonnie Tyler'
                                     'text_people'  ''
                                         'release'  'Hits of the 80s'
                                           'title'  'Total Eclipse of My Heart'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'classic rock', 'female vocalists', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;rock-cppex'
                                             'bpm'  '135.910'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hits of the 80s'
'TBPM' (BPM (beats per minute))                     '135.910'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'rock-cppex']
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Total Eclipse of My Heart'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bonnie Tyler'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'classic rock', 'female vocalists', 'pop', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.32 dB'
'TXXX:replaygain_track_peak'                        '0.491633'

========================== row from database ==========================
                                              'id'  1528188
                                            'path'  /data/Music/Bulk/00poprockelectronic/Hits Of The 80_s/Bonnie Tyler - Total Eclipse Of My Heart.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  268
                                           'genre'  electronic-generic or radio-unsorted;rock-cppex
                                        'filesize'  4293764
                                           'mtime'  1620737202
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Of The 80_s Of electronic generic or radio unsorted;rock cppex
                                      'tag_artist'  Bonnie Tyler
                                     'tag_release'  Hits of the 80s
                                       'tag_title'  Total Eclipse of My Heart
                                             'bpm'  135.91
                                    'search_title'  'eclipse':2 'heart':5 'my':4 'of':3 'total':1
                                   'search_artist'  'bonnie':1 'tyler':2
                                  'search_release'  '80s':4 'hits':1 'of':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 '80':4 'cppex':14 'electronic':6 'generic':7 'of':2 'or':8 'radio':9 'rock':11,13 's':5 'the':3 'unsorted':10,12
                                    'search_combo'  '00poprockelectronic':12 '80':15 '80s':11C 'bonnie':6B 'cppex':25 'eclipse':2A 'electronic':17 'generic':18 'heart':5A 'hits':8C 'my':4A 'of':3A,9C,13 'or':19 'radio':20 'rock':22,24 's':16 'the':10C,14 'total':1A 'tyler':7B 'unsorted':21,23
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'classic rock', 'female vocalists', 'pop', 'rock']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737202.3913453  (2021-05-11 14:46:42)
                             'size'  4293764