======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '151'
                                          'artist'  'Doris Day'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I'll Never Slip Around Again (+ Country Cousins)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'female vocalists', '50s', 'oldies', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1949'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '142.108'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '142.108'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1949'
'TIT2' (Title/songname/content description)         "I'll Never Slip Around Again (+ Country Cousins)"
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Doris Day'
'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'                                   ['jazz', 'female vocalists', '50s', 'oldies', 'easy listening']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'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'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.88 dB'
'TXXX:replaygain_track_peak'                        '0.396650'

========================== row from database ==========================
                                              'id'  1502447
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1949/Doris Day - I_ll Never Slip Around Again (+ Country Cousins) 19-10-1949.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  151
                                           'genre'  prerock-vocal
                                        'filesize'  3024703
                                           'mtime'  1621853287
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1949 I_ll 19 10 1949 prerock vocal
                                      'tag_artist'  Doris Day
                                     'tag_release'  None
                                       'tag_title'  I'll Never Slip Around Again (+ Country Cousins)
                                             'bpm'  142.108
                                    'search_title'  'again':7 'around':6 'country':8 'cousins':9,10 'i':1 'ill':3 'll':2 'never':4 'slip':5
                                   'search_artist'  'day':2 'doris':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '19':9 '1949':6 'country':4 'exotica':2 'i':7 'jazz':1 'll':8 'oldies':3 'prerock':10 'vocal':11
                                    'search_combo'  '00oldiepop':17 '19':21 '1949':18 'again':7A 'around':6A 'country':8A,16 'cousins':9A,10A 'day':12B 'doris':11B 'exotica':14 'i':1A,19 'ill':3A 'jazz':13 'll':2A,20 'never':4A 'oldies':15 'prerock':22 'slip':5A 'vocal':23
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           '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-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'female vocalists', '50s', 'oldies', 'easy listening']
                                        'tag_date'  1949
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621853287.465704  (2021-05-24 12:48:07)
                             'size'  3024703