======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '146'
                                          'artist'  'Bobby Bland'
                                     'text_people'  ''
                                         'release'  'Bubbling Under 5'
                                           'title'  "After It's Too Late"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'soul', 'rhythm and blues', 'jazz', 'rnb']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '188'
                                      'tracktotal'  ''
                                            'date'  '1964'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '143.213'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Bubbling Under 5'
'TBPM' (BPM (beats per minute))                     '143.213'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1964'
'TIT2' (Title/songname/content description)         "After It's Too Late"
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bobby Bland'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '188'
'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'                                   ['blues', 'soul', 'rhythm and blues', 'jazz', 'rnb']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'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'                        '+1.10 dB'
'TXXX:replaygain_track_peak'                        '0.543622'

========================== row from database ==========================
                                              'id'  1521964
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Bubbling under 5 (11-09-63)/188 Bobby Bland - After it_s too late.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  146
                                           'genre'  prerock-unsorted
                                        'filesize'  2345792
                                           'mtime'  1622760188
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country under (11 09 63) 188 it_s too late prerock unsorted
                                      'tag_artist'  Bobby Bland
                                     'tag_release'  Bubbling Under 5
                                       'tag_title'  After It's Too Late
                                             'bpm'  143.213
                                    'search_title'  'after':1 'it':2 'its':4 'late':6 's':3 'too':5
                                   'search_artist'  'bland':2 'bobby':1
                                  'search_release'  '5':3 'bubbling':1 'under':2
                                     'search_rest'  '11':6,7 '188':10 '63':8,9 'country':4 'exotica':2 'it':11 'jazz':1 'late':14 'oldies':3 'prerock':15 's':12 'too':13 'under':5 'unsorted':16
                                    'search_combo'  '11':17,18 '188':21 '5':11C '63':19,20 'after':1A 'bland':8B 'bobby':7B 'bubbling':9C 'country':15 'exotica':13 'it':2A,22 'its':4A 'jazz':12 'late':6A,25 'oldies':14 'prerock':26 's':3A,23 'too':5A,24 'under':10C,16 'unsorted':27
                                    'tag_tracknum'  188
                                      'num_images'  0
                                             'key'  3A
                                           '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-2', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['blues', 'soul', 'rhythm and blues', 'jazz', 'rnb']
                                        'tag_date'  1964
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622760188.2719655  (2021-06-04 00:43:08)
                             'size'  2345792