======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '176'
                                          'artist'  'Andrews Sisters'
                                     'text_people'  ''
                                         'release'  'Decca 27432'
                                           'title'  "Three O' Clock In The Morning"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', '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'  "['swing', 'jazz', 'female vocalists', 'oldies', '40s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1946'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '95.754'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Decca 27432'
'TBPM' (BPM (beats per minute))                     '95.754'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1946'
'TIT2' (Title/songname/content description)         "Three O' Clock In The Morning"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Andrews Sisters'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['swing', 'jazz', 'female vocalists', 'oldies', '40s']
'TXXX:q-bass'                                       '1'
'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'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.12 dB'
'TXXX:replaygain_track_peak'                        '0.473382'

========================== row from database ==========================
                                              'id'  1498095
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1946/Andrews Sisters - Three O_ Clock In The Morning -5-1946.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  176
                                           'genre'  prerock-swing
                                        'filesize'  3522354
                                           'mtime'  1620562021
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1946 O_ 5 1946 prerock swing
                                      'tag_artist'  Andrews Sisters
                                     'tag_release'  Decca 27432
                                       'tag_title'  Three O' Clock In The Morning
                                             'bpm'  95.754
                                    'search_title'  'clock':4 'in':5 'morning':7 'o':2,3 'the':6 'three':1
                                   'search_artist'  'andrews':1 'sisters':2
                                  'search_release'  '27432':2 'decca':1
                                     'search_rest'  '00oldiepop':5 '1946':6 '5':8 'country':4 'exotica':2 'jazz':1 'o':7 'oldies':3 'prerock':9 'swing':10
                                    'search_combo'  '00oldiepop':16 '1946':17 '27432':11C '5':19 'andrews':8B 'clock':4A 'country':15 'decca':10C 'exotica':13 'in':5A 'jazz':12 'morning':7A 'o':2A,3A,18 'oldies':14 'prerock':20 'sisters':9B 'swing':21 'the':6A 'three':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           '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-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['swing', 'jazz', 'female vocalists', 'oldies', '40s']
                                        'tag_date'  1946
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562020.804983  (2021-05-09 14:07:00)
                             'size'  3522354