======================== unified (from filesystem) ========================
                                         'bitrate'  '192.01'
                                        'duration'  '125'
                                          'artist'  'Henry Haynes & Georgetta Hardin'
                                     'text_people'  ''
                                         'release'  'sweets'
                                           'title'  "Stop Smackin' That Wax 2"
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-candy'
                                             'bpm'  '124.163'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'sweets'
'TBPM' (BPM (beats per minute))                     '124.163'
'TCON' (Content type, a.k.a. Genre)                 'set-th-candy'
'TENC' (Encoded by)                                 'Amadeus II'
'TIT2' (Title/songname/content description)         "Stop Smackin' That Wax 2"
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Henry Haynes & Georgetta Hardin'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.37 dB'
'TXXX:replaygain_track_peak'                        '0.545148'

========================== row from database ==========================
                                              'id'  1513282
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/Henry Haynes & Georgetta Hardin - Stop Smackin_ That Wax 2.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  125
                                           'genre'  set-th-candy
                                        'filesize'  3010868
                                           'mtime'  1620343115
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Smackin_ set th candy
                                      'tag_artist'  Henry Haynes & Georgetta Hardin
                                     'tag_release'  sweets
                                       'tag_title'  Stop Smackin' That Wax 2
                                             'bpm'  124.163
                                    'search_title'  '2':6 'smackin':2,3 'stop':1 'that':4 'wax':5
                                   'search_artist'  'georgetta':3 'hardin':4 'haynes':2 'henry':1
                                  'search_release'  'sweets':1
                                     'search_rest'  'candy':8 'country':4 'exotica':2 'jazz':1 'oldies':3 'set':6 'smackin':5 'th':7
                                    'search_combo'  '2':6A 'candy':19 'country':15 'exotica':13 'georgetta':9B 'hardin':10B 'haynes':8B 'henry':7B 'jazz':12 'oldies':14 'set':17 'smackin':2A,3A,16 'stop':1A 'sweets':11C 'th':18 'that':4A 'wax':5A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343115.3926473  (2021-05-07 01:18:35)
                             'size'  3010868