======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '176'
                                          'artist'  'Don Byas'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Three O' Clock In The Morning"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-vocals-3', 'q-mixbeat-1', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['jazz', 'saxophone', 'classic jazz', 'bebop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1945'
                                        'comments'  ''
                                           'genre'  'prerock-bebop'
                                             'bpm'  '85.201'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '85.201'
'TCON' (Content type, a.k.a. Genre)                 'prerock-bebop'
'TDRC' (Recording time)                             '1945'
'TIT2' (Title/songname/content description)         "Three O' Clock In The Morning"
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Don Byas'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'saxophone', 'classic jazz', 'bebop']
'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'                                      '4'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.07 dB'
'TXXX:replaygain_track_peak'                        '0.474925'

========================== row from database ==========================
                                              'id'  1497514
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1945/Don Byas - Three O_ Clock In The Morning 1945.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  176
                                           'genre'  prerock-bebop
                                        'filesize'  3538738
                                           'mtime'  1620561127
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1945 O_ 1945 prerock bebop
                                      'tag_artist'  Don Byas
                                     'tag_release'  None
                                       'tag_title'  Three O' Clock In The Morning
                                             'bpm'  85.201
                                    'search_title'  'clock':4 'in':5 'morning':7 'o':2,3 'the':6 'three':1
                                   'search_artist'  'byas':2 'don':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1945':6 'bebop':9 'country':4 'exotica':2 'jazz':1 'o':7 'oldies':3 'prerock':8
                                    'search_combo'  '00oldiepop':14 '1945':15 'bebop':18 'byas':9B 'clock':4A 'country':13 'don':8B 'exotica':11 'in':5A 'jazz':10 'morning':7A 'o':2A,3A,16 'oldies':12 'prerock':17 'the':6A 'three':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'saxophone', 'classic jazz', 'bebop']
                                        'tag_date'  1945
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561127.0455568  (2021-05-09 13:52:07)
                             'size'  3538738