======================== unified (from filesystem) ========================
                                         'bitrate'  '151.827'
                                        'duration'  '425'
                                          'artist'  'USA For Africa'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'We Are The World'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['pop', '80s', 'rock', 'legend', 'charity']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '146.000'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '146.000'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'We Are The World'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'USA For Africa'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'pop'
'TXXX:lastfmtags'                                   ['pop', '80s', 'rock', 'legend', 'charity']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.33 dB'
'TXXX:replaygain_track_peak'                        '0.648071'

========================== row from database ==========================
                                              'id'  1386529
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/USA For Africa - We Are The World.mp3
                                         'working'  None
                                         'bitrate'  151
                                    'duration_sec'  425
                                           'genre'  electronic-unsorted
                                        'filesize'  8085549
                                           'mtime'  1620573042
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] electronic unsorted
                                      'tag_artist'  USA For Africa
                                     'tag_release'  None
                                       'tag_title'  We Are The World
                                             'bpm'  146.0
                                    'search_title'  'are':2 'the':3 'we':1 'world':4
                                   'search_artist'  'africa':3 'for':2 'usa':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'electronic':7 'files':5,6 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':8 'africa':7B 'are':2A 'electronic':14 'files':12,13 'for':6B 'loose':10,11 'the':3A 'unsorted':9 'usa':5B 'we':1A 'world':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           '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-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['pop', '80s', 'rock', 'legend', 'charity']
                                        'tag_date'  1985
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1620573042.0271351  (2021-05-09 17:10:42)
                             'size'  8085549