======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '151'
                                          'artist'  'The Stratfords'
                                     'text_people'  ''
                                         'release'  'Bubbling Under 5'
                                           'title'  'Never Leave Me'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', '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-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '074'
                                      'tracktotal'  ''
                                            'date'  '1964'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '143.416'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'vinyl rip'
'COMM:ID3v1 Comment:XXX'                            'vinyl rip'
'TALB' (Album/Movie/Show title)                     'Bubbling Under 5'
'TBPM' (BPM (beats per minute))                     '143.416'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1964'
'TIT2' (Title/songname/content description)         'Never Leave Me'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Stratfords'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '074'
'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:discogstags'                                  'rock'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                        '+2.06 dB'
'TXXX:replaygain_track_peak'                        '0.451485'

========================== row from database ==========================
                                              'id'  984538
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Bubbling under 5 (11-09-63)/074 Stratfords - Never leave me.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  151
                                           'genre'  prerock-unsorted
                                        'filesize'  2431487
                                           'mtime'  1622760183
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country under (11 09 63) 074 leave me prerock unsorted
                                      'tag_artist'  The Stratfords
                                     'tag_release'  Bubbling Under 5
                                       'tag_title'  Never Leave Me
                                             'bpm'  143.416
                                    'search_title'  'leave':2 'me':3 'never':1
                                   'search_artist'  'stratfords':2 'the':1
                                  'search_release'  '5':3 'bubbling':1 'under':2
                                     'search_rest'  '11':6,7 '63':8,9 'country':4 'exotica':2 'jazz':1 'leave':10 'me':11 'oldies':3 'prerock':12 'under':5 'unsorted':13
                                    'search_combo'  '11':14,15 '5':8C '63':16,17 'bubbling':6C 'country':12 'exotica':10 'jazz':9 'leave':2A,18 'me':3A,19 'never':1A 'oldies':11 'prerock':20 'stratfords':5B 'the':4B 'under':7C,13 'unsorted':21
                                    'tag_tracknum'  74
                                      'num_images'  0
                                             'key'  9A
                                           '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-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1964
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622760182.6818042  (2021-06-04 00:43:02)
                             'size'  2431487