======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '105'
                                          'artist'  'Charles Dumont'
                                     'text_people'  ''
                                         'release'  'Trafic ( Jacques Tati)'
                                           'title'  'La Route 3'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['french', 'chanson', 'buholibre', 'chanson francaise', 'male vocalists']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '15'
                                            'date'  '1971'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '134.7'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000004C7 00000300 0000243A 0000352B 00017AFA 00008853 000067B8 00005A30 '
 '00002214 00017B7D')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A38 000000000046DCB8 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '15+31E642A4AD12CA1FD59739B136439CEE+2404751'
'TALB' (Album/Movie/Show title)                     'Trafic ( Jacques Tati)'
'TBPM' (BPM (beats per minute))                     '134.7'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1971'
'TENC' (Encoded by)                                 'iTunes v6.0.5'
'TIT2' (Title/songname/content description)         'La Route 3'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Charles Dumont'
'TRCK' (Track number/Position in set)               '9/15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['french', 'chanson', 'buholibre', 'chanson francaise', 'male vocalists']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.54 dB'
'TXXX:replaygain_track_peak'                        '0.781248'

========================== row from database ==========================
                                              'id'  1523500
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Charles Dumont - La Route 3.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  105
                                           'genre'  funk or soul
                                        'filesize'  2153706
                                           'mtime'  1621629994
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s funk or soul
                                      'tag_artist'  Charles Dumont
                                     'tag_release'  Trafic ( Jacques Tati)
                                       'tag_title'  La Route 3
                                             'bpm'  134.7
                                    'search_title'  '3':3 'la':1 'route':2
                                   'search_artist'  'charles':1 'dumont':2
                                  'search_release'  'jacques':2 'tati':3,4 'trafic':1
                                     'search_rest'  '70':6 'easy':4 'funk':2 'instr':5 'or':8 's':7 'soul':3 'swing':1
                                    'search_combo'  '3':3A '70':15 'charles':4B 'dumont':5B 'easy':13 'funk':11 'instr':14 'jacques':7C 'la':1A 'or':17 'route':2A 's':16 'soul':12 'swing':10 'tati':8C,9C 'trafic':6C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['french', 'chanson', 'buholibre', 'chanson francaise', 'male vocalists']
                                        'tag_date'  1971
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629993.680583  (2021-05-21 22:46:33)
                             'size'  2153706