======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '207'
                                          'artist'  'Al Wilson'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'The Snake'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rnb', 'rhythm and blues', 'soul', 'northern soul', '7soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '144.335'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM::\x0020'                                      '3:27 (320 kbps)'
'COMM:ID3v1 Comment:XXX'                            '3:27 (320 kbps)'
'COMM:iTunNORM:eng'                                 (' 000008E3 00000733 00003A18 000043D3 00014AE2 00019272 00005FC9 00005DD0 '
 '0002BD7F 000298AB')
'TBPM' (BPM (beats per minute))                     '144.335'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'The Snake'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Al Wilson'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'rhythm and blues', 'soul', 'northern soul', '7soul']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.09 dB'
'TXXX:replaygain_track_peak'                        '0.444965'

========================== row from database ==========================
                                              'id'  1356103
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/002 6810 al wilson - the snake 0qwef.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  207
                                           'genre'  funk or soul
                                        'filesize'  8296790
                                           'mtime'  1628357937
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 002 6810 al wilson the snake 0qwef funk or soul
                                      'tag_artist'  Al Wilson
                                     'tag_release'  None
                                       'tag_title'  The Snake
                                             'bpm'  144.335
                                    'search_title'  'snake':2 'the':1
                                   'search_artist'  'al':1 'wilson':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '0qwef':12 '6810':7 'al':8 'files':5,6 'funk':13 'loose':3,4 'or':14 'snake':11 'soul':15 'the':10 'unsorted':2 'wilson':9
                                    'search_combo'  '00poprockelectronic':5 '0qwef':16 '6810':11 'al':3B,12 'files':9,10 'funk':17 'loose':7,8 'or':18 'snake':2A,15 'soul':19 'the':1A,14 'unsorted':6 'wilson':4B,13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'rhythm and blues', 'soul', 'northern soul', '7soul']
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357936.7326436  (2021-08-07 19:38:56)
                             'size'  8296790