======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '160'
                                          'artist'  'Rais Mahamad ben Mohammed and ensemble'
                                     'text_people'  ''
                                         'release'  'Tellus #23: The Voices of Paul Bowles'
                                           'title'  'Aouda Trio'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-1', 'q-drums-1', 'q-other-4', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['world music', 'ethnic', 'morocco', 'north africa']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '105.1'
                                             'key'  '5B'
                                        '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))                     '105.1'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Aouda Trio'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Rais Mahamad ben Mohammed and ensemble'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '09'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['world music', 'ethnic', 'morocco', 'north africa']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.70 dB'
'TXXX:replaygain_track_peak'                        '0.354895'

========================== row from database ==========================
                                              'id'  386032
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Tellus Audio Cassette Magazine/1989 - Tellus #23 - The Voice of Paul Bowles/09 - Rais Mahamad ben Mohammed and ensemble - Aouda Trio.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  160
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  3865654
                                           'mtime'  1636915965
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Audio Cassette Magazine 1989 09 electronic experimental oddness
                                      'tag_artist'  Rais Mahamad ben Mohammed and ensemble
                                     'tag_release'  Tellus #23: The Voices of Paul Bowles
                                       'tag_title'  Aouda Trio
                                             'bpm'  105.1
                                    'search_title'  'aouda':1 'trio':2
                                   'search_artist'  'and':5 'ben':3 'ensemble':6 'mahamad':2 'mohammed':4 'rais':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':20 '23':10C,11C 'and':7B 'aouda':1A 'audio':17 'ben':5B 'bowles':16C 'cassette':18 'electronic':21 'ensemble':8B 'experimental':22 'magazine':19 'mahamad':4B 'mohammed':6B 'oddness':23 'of':14C 'paul':15C 'rais':3B 'tellus':9C 'the':12C 'trio':2A 'voices':13C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['world music', 'ethnic', 'morocco', 'north africa']
                                        'tag_date'  1989
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636915965.040313  (2021-11-14 19:52:45)
                             'size'  3865654