======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '175'
                                          'artist'  'Betty Madigan'
                                     'text_people'  ''
                                         'release'  'CORAL 61812'
                                           'title'  'True Love Gone (Come On Home)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['early baby boomer', 'spotify', 'all']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '408'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '141.7'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'CORAL 61812'
'TBPM' (BPM (beats per minute))                     '141.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         'True Love Gone (Come On Home)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Betty Madigan'
'TRCK' (Track number/Position in set)               '408'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['early baby boomer', 'spotify', 'all']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.31 dB'
'TXXX:replaygain_track_peak'                        '0.345095'

========================== row from database ==========================
                                              'id'  1452135
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1957/57-408 - Betty Madigan - True Love Gone (Come On Home).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  175
                                           'genre'  prerock-unsorted
                                        'filesize'  7008047
                                           'mtime'  1621698346
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1957 57 408 prerock unsorted
                                      'tag_artist'  Betty Madigan
                                     'tag_release'  CORAL 61812
                                       'tag_title'  True Love Gone (Come On Home)
                                             'bpm'  141.7
                                    'search_title'  'come':4,5 'gone':3 'home':7,8 'love':2 'on':6 'true':1
                                   'search_artist'  'betty':1 'madigan':2
                                  'search_release'  '61812':2 'coral':1
                                     'search_rest'  '00oldiepop':5 '1957':6 '408':8 '57':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':17 '1957':18 '408':20 '57':19 '61812':12C 'betty':9B 'come':4A,5A 'coral':11C 'country':16 'exotica':14 'gone':3A 'home':7A,8A 'jazz':13 'love':2A 'madigan':10B 'oldies':15 'on':6A 'prerock':21 'true':1A 'unsorted':22
                                    'tag_tracknum'  408
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['early baby boomer', 'spotify', 'all']
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698345.6035922  (2021-05-22 17:45:45)
                             'size'  7008047