======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '165'
                                          'artist'  'Eartha Kitt'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Somebody Bad Stole De Wedding Bell (Who's Got De Ding Dong)"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'jazz', 'female vocalists', 'soul', 'diva']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '104.229'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '104.229'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1954'
'TIT2' (Title/songname/content description)         "Somebody Bad Stole De Wedding Bell (Who's Got De Ding Dong)"
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Eartha Kitt'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lounge', 'jazz', 'female vocalists', 'soul', 'diva']
'TXXX:other'                                        '54-107'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.32 dB'
'TXXX:replaygain_track_peak'                        '0.361101'

========================== row from database ==========================
                                              'id'  1511279
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1954/54-107 - Eartha Kitt - Somebody Bad Stole De Wedding Bell (Who_s Got De Ding Dong).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  165
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  6619357
                                           'mtime'  1620527679
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1954 54 107 (Who_s prerock jb jazz unsorted
                                      'tag_artist'  Eartha Kitt
                                     'tag_release'  None
                                       'tag_title'  Somebody Bad Stole De Wedding Bell (Who's Got De Ding Dong)
                                             'bpm'  104.229
                                    'search_title'  'bad':2 'bell':6 'de':4 'ding':11 'dong':12,13 'got':10 's':8 'somebody':1 'stole':3 'wedding':5 'who':7 'whos':9
                                   'search_artist'  'eartha':1 'kitt':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '107':8 '1954':6 '54':7 'country':4 'exotica':2 'jazz':1 'jb':14 'oldies':3 'prerock':13 's':10,12 'unsorted':15 'who':9,11
                                    'search_combo'  '00oldiepop':20 '107':23 '1954':21 '54':22 'bad':2A 'bell':6A 'country':19 'de':4A 'ding':11A 'dong':12A,13A 'eartha':14B 'exotica':17 'got':10A 'jazz':16 'jb':29 'kitt':15B 'oldies':18 'prerock':28 's':8A,25,27 'somebody':1A 'stole':3A 'unsorted':30 'wedding':5A 'who':7A,24,26 'whos':9A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'jazz', 'female vocalists', 'soul', 'diva']
                                        'tag_date'  1954
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527679.1154227  (2021-05-09 04:34:39)
                             'size'  6619357