======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '204'
                                          'artist'  'Barry White'
                                     'text_people'  ''
                                         'release'  'gay top 100'
                                           'title'  "You're The First The Last My Everything"
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-JZFKS-3', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['rnb', 'pop', 'soul', 'funk', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '456'
                                      'tracktotal'  ''
                                            'date'  '1974'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '129.646'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'gay top 100'
'TBPM' (BPM (beats per minute))                     '129.646'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1974'
'TIT2' (Title/songname/content description)         "You're The First The Last My Everything"
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Barry White'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '456'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'pop', 'soul', 'funk', 'disco']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.64 dB'
'TXXX:replaygain_track_peak'                        '0.663795'

========================== row from database ==========================
                                              'id'  1507740
                                            'path'  /data/Music/Bulk/00poprockelectronic/gay top 100 - 2015/060 - Barry White - You_re The First The Last My Everything.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  204
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  8173723
                                           'mtime'  1628353548
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2015 060 You_re electronic generic or radio unsorted
                                      'tag_artist'  Barry White
                                     'tag_release'  gay top 100
                                       'tag_title'  You're The First The Last My Everything
                                             'bpm'  129.646
                                    'search_title'  'everything':8 'first':5 'last':6 'my':7 're':2 'the':4 'you':1 'youre':3
                                   'search_artist'  'barry':1 'white':2
                                  'search_release'  '100':3 'gay':1 'top':2
                                     'search_rest'  '00poprockelectronic':1 '2015':2 'electronic':5 'generic':6 'or':7 'radio':8 're':4 'unsorted':9 'you':3
                                    'search_combo'  '00poprockelectronic':14 '100':13C '2015':15 'barry':9B 'electronic':18 'everything':8A 'first':5A 'gay':11C 'generic':19 'last':6A 'my':7A 'or':20 'radio':21 're':2A,17 'the':4A 'top':12C 'unsorted':22 'white':10B 'you':1A,16 'youre':3A
                                    'tag_tracknum'  456
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'pop', 'soul', 'funk', 'disco']
                                        'tag_date'  1974
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628353548.0642304  (2021-08-07 18:25:48)
                             'size'  8173723