======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '229'
                                          'artist'  'Madonna'
                                     'text_people'  ''
                                         'release'  'Hits of the 80s'
                                           'title'  'Open Your Heart'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', '80s', 'female vocalists', 'pop', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;set-pl-zomg80s;set-pl-billboard'
                                             'bpm'  '112.758'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hits of the 80s'
'TBPM' (BPM (beats per minute))                     '112.758'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'set-pl-zomg80s', 'set-pl-billboard']
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Open Your Heart'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Madonna'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.28 dB'
'TXXX:replaygain_track_peak'                        '0.603646'

========================== row from database ==========================
                                              'id'  1527709
                                            'path'  /data/Music/Bulk/00poprockelectronic/Hits Of The 80_s/Madonna - Open Your Heart.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  229
                                           'genre'  electronic-generic or radio-unsorted;set-pl-zomg80s;set-pl-billboard
                                        'filesize'  3675073
                                           'mtime'  1621696297
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Of The 80_s electronic generic or radio unsorted;set pl zomg80s;set pl billboard
                                      'tag_artist'  Madonna
                                     'tag_release'  Hits of the 80s
                                       'tag_title'  Open Your Heart
                                             'bpm'  112.758
                                    'search_title'  'heart':3 'open':1 'your':2
                                   'search_artist'  'madonna':1
                                  'search_release'  '80s':4 'hits':1 'of':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 '80':4 'billboard':19 'electronic':6 'generic':7 'of':2 'or':8 'pl':14 'radio':9 's':5 'set':11,13,16,18 'the':3 'unsorted':10,12 'zomg80s':15,17
                                    'search_combo'  '00poprockelectronic':9 '80':12 '80s':8C 'billboard':27 'electronic':14 'generic':15 'heart':3A 'hits':5C 'madonna':4B 'of':6C,10 'open':1A 'or':16 'pl':22 'radio':17 's':13 'set':19,21,24,26 'the':7C,11 'unsorted':18,20 'your':2A 'zomg80s':23,25
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           '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-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', '80s', 'female vocalists', 'pop', 'electronic']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696297.181056  (2021-05-22 17:11:37)
                             'size'  3675073