======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '374'
                                          'artist'  'Jean Claude Risset, Max Matthews'
                                     'text_people'  ''
                                         'release'  'Le Son Musical'
                                           'title'  '02 Musique, acoustique, informatique II'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-2', 'Q-LOCALNESS-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['science', 'ircam', 'french']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1983'
                                        'comments'  ''
                                           'genre'  'electronic-experimental;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '126.7'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Le Son Musical'
'TBPM' (BPM (beats per minute))                     '126.7'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1983'
'TIT2' (Title/songname/content description)         '02 Musique, acoustique, informatique II'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jean Claude Risset, Max Matthews'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['science', 'ircam', 'french']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.03 dB'
'TXXX:replaygain_track_peak'                        '0.698488'

========================== row from database ==========================
                                              'id'  1379131
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Jean Claude Risset - Max Matthews - Le Son Musical/02 Musique, acoustique, informatique II.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  374
                                           'genre'  electronic-experimental;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  15073554
                                           'mtime'  1621628656
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm electronic experimental;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Jean Claude Risset, Max Matthews
                                     'tag_release'  Le Son Musical
                                       'tag_title'  02 Musique, acoustique, informatique II
                                             'bpm'  126.7
                                    'search_title'  'acoustique':3,4 'ii':6 'informatique':5 'musique':1,2
                                   'search_artist'  'claude':2 'jean':1 'matthews':6 'max':5 'risset':3,4
                                  'search_release'  'le':1 'musical':3 'son':2
                                     'search_rest'  'electronic':1 'experimental':2,4 'mor':11 'pl':6 'set':3,5,8,10 'shirleyspinoza':7,9
                                    'search_combo'  'acoustique':3A,4A 'claude':8B 'electronic':16 'experimental':17,19 'ii':6A 'informatique':5A 'jean':7B 'le':13C 'matthews':12B 'max':11B 'mor':26 'musical':15C 'musique':1A,2A 'pl':21 'risset':9B,10B 'set':18,20,23,25 'shirleyspinoza':22,24 'son':14C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['science', 'ircam', 'french']
                                        'tag_date'  1983
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628656.1810603  (2021-05-21 22:24:16)
                             'size'  15073554