======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '124'
                                          'artist'  'Henry Hayes & Georgetta Hardin'
                                     'text_people'  ''
                                         'release'  'The Hound - March 13, 1993'
                                           'title'  "Stop Smackin' That Wax"
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-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-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['the hound', 'rockabilly', 'rock and roll', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'set-th-candy'
                                             'bpm'  '92.602'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:Amadeus II 3.5:pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA'  PRIV(owner='Amadeus II 3.5', data=b'pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA')
'TALB' (Album/Movie/Show title)                     'The Hound - March 13, 1993'
'TBPM' (BPM (beats per minute))                     '92.602'
'TCON' (Content type, a.k.a. Genre)                 'set-th-candy'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         "Stop Smackin' That Wax"
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '0'
'TPE1' (Lead performer(s)/Soloist(s))               'Henry Hayes & Georgetta Hardin'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['the hound', 'rockabilly', 'rock and roll', 'oldies']
'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'                        '+0.32 dB'
'TXXX:replaygain_track_peak'                        '0.378277'

========================== row from database ==========================
                                              'id'  1502888
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/Henry Hayes (with Georgetta Hardin) - Stop Smackin_ That Wax (Kangaroo, 1960) 4.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  124
                                           'genre'  set-th-candy
                                        'filesize'  1495470
                                           'mtime'  1620343115
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sweets (with Hardin) Smackin_ (Kangaroo, 1960) 4 set th candy
                                      'tag_artist'  Henry Hayes & Georgetta Hardin
                                     'tag_release'  The Hound - March 13, 1993
                                       'tag_title'  Stop Smackin' That Wax
                                             'bpm'  92.602
                                    'search_title'  'smackin':2,3 'stop':1 'that':4 'wax':5
                                   'search_artist'  'georgetta':3 'hardin':4 'hayes':2 'henry':1
                                  'search_release'  '13':4,5 '1993':6 'hound':2 'march':3 'the':1
                                     'search_rest'  '1960':13,14 '4':15 'candy':18 'country':4 'exotica':2 'hardin':8,9 'jazz':1 'kangaroo':11,12 'oldies':3 'set':16 'smackin':10 'sweets':5 'th':17 'with':6,7
                                    'search_combo'  '13':13C,14C '1960':28,29 '1993':15C '4':30 'candy':33 'country':19 'exotica':17 'georgetta':8B 'hardin':9B,23,24 'hayes':7B 'henry':6B 'hound':11C 'jazz':16 'kangaroo':26,27 'march':12C 'oldies':18 'set':31 'smackin':2A,3A,25 'stop':1A 'sweets':20 'th':32 'that':4A 'the':10C 'wax':5A 'with':21,22
                                    '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'  ['the hound', 'rockabilly', 'rock and roll', 'oldies']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343114.9744282  (2021-05-07 01:18:34)
                             'size'  1495470