======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '65'
                                          'artist'  'Paul Bowles'
                                     'text_people'  ''
                                         'release'  'Tellus #23: The Voices of Paul Bowles'
                                           'title'  'Music for a Farce I'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-3', 'Q-PLAY-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-3', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['contemporary classical', 'american', 'earwaves', 'spoken word', 'field "
 "recording']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '111.7'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Tellus #23: The Voices of Paul Bowles'
'TBPM' (BPM (beats per minute))                     '111.7'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Music for a Farce I'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Paul Bowles'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['contemporary classical',
 'american',
 'earwaves',
 'spoken word',
 'field recording']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.29 dB'
'TXXX:replaygain_track_peak'                        '0.543544'

========================== row from database ==========================
                                              'id'  323745
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Tellus Audio Cassette Magazine/1989 - Tellus #23 - The Voice of Paul Bowles/04 - Paul Bowles - Music for a Farce I.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  65
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  1597906
                                           'mtime'  1628358164
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Audio Cassette Magazine 1989 04 electronic experimental oddness
                                      'tag_artist'  Paul Bowles
                                     'tag_release'  Tellus #23: The Voices of Paul Bowles
                                       'tag_title'  Music for a Farce I
                                             'bpm'  111.7
                                    'search_title'  'a':3 'farce':4 'for':2 'i':5 'music':1
                                   'search_artist'  'bowles':2 'paul':1
                                  'search_release'  '23':2,3 'bowles':8 'of':6 'paul':7 'tellus':1 'the':4 'voices':5
                                     'search_rest'  '1989':4 'audio':1 'cassette':2 'electronic':5 'experimental':6 'magazine':3 'oddness':7
                                    'search_combo'  '1989':19 '23':9C,10C 'a':3A 'audio':16 'bowles':7B,15C 'cassette':17 'electronic':20 'experimental':21 'farce':4A 'for':2A 'i':5A 'magazine':18 'music':1A 'oddness':22 'of':13C 'paul':6B,14C 'tellus':8C 'the':11C 'voices':12C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['contemporary classical', 'american', 'earwaves', 'spoken word', 'field recording']
                                        'tag_date'  1989
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628358164.2048612  (2021-08-07 19:42:44)
                             'size'  1597906