======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '191'
                                          'artist'  'Spike Jones and his City Slickers'
                                     'text_people'  ''
                                         'release'  'Victor 201654'
                                           'title'  'Chloe (78-rpm)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', '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-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['fun', 'american', 'comedy', 'jazzysxmas', 'jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1945'
                                        'comments'  ''
                                           'genre'  'prerock-comedy'
                                             'bpm'  '126.095'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Victor 201654'
'TBPM' (BPM (beats per minute))                     '126.095'
'TCON' (Content type, a.k.a. Genre)                 'prerock-comedy'
'TDRC' (Recording time)                             '1945'
'TIT2' (Title/songname/content description)         'Chloe (78-rpm)'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Spike Jones and his City Slickers'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['fun', 'american', 'comedy', 'jazzysxmas', 'jazz']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.70 dB'
'TXXX:replaygain_track_peak'                        '0.630729'

========================== row from database ==========================
                                              'id'  1445831
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1945/Spike Jones and his City Slickers - Chloe (78 rpm) 28-4-1945.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  191
                                           'genre'  prerock-comedy
                                        'filesize'  3840569
                                           'mtime'  1636913850
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1945 28 1945 prerock comedy
                                      'tag_artist'  Spike Jones and his City Slickers
                                     'tag_release'  Victor 201654
                                       'tag_title'  Chloe (78-rpm)
                                             'bpm'  126.095
                                    'search_title'  '78':2 '78rpm':4 'chloe':1 'rpm':3
                                   'search_artist'  'and':3 'city':5 'his':4 'jones':2 'slickers':6 'spike':1
                                  'search_release'  '201654':2 'victor':1
                                     'search_rest'  '00oldiepop':5 '1945':6 '28':7 'comedy':9 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8
                                    'search_combo'  '00oldiepop':17 '1945':18 '201654':12C '28':19 '78':2A '78rpm':4A 'and':7B 'chloe':1A 'city':9B 'comedy':21 'country':16 'exotica':14 'his':8B 'jazz':13 'jones':6B 'oldies':15 'prerock':20 'rpm':3A 'slickers':10B 'spike':5B 'victor':11C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', '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-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['fun', 'american', 'comedy', 'jazzysxmas', 'jazz']
                                        'tag_date'  1945
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913850.2238688  (2021-11-14 19:17:30)
                             'size'  3840569