======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '181'
                                          'artist'  'Robert Hermel'
                                     'text_people'  ''
                                         'release'  'Gourmandise party'
                                           'title'  'PARIS-BREST'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['library music']"
                                     'discogstags'  "['jazz', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  'B3'
                                      'tracktotal'  ''
                                            'date'  '1974'
                                        'comments'  ''
                                           'genre'  'soundtrack-library'
                                             'bpm'  '119.4'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Gourmandise party'
'TBPM' (BPM (beats per minute))                     '119.4'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-library'
'TDOR' (Original release time)                      '1974'
'TDRC' (Recording time)                             '1974'
'TIT2' (Title/songname/content description)         'PARIS-BREST'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Robert Hermel'
'TRCK' (Track number/Position in set)               'B3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'rock']
'TXXX:lastfmtags'                                   'library music'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                        '-0.74 dB'
'TXXX:replaygain_track_peak'                        '0.582617'

========================== row from database ==========================
                                              'id'  1255888
                                            'path'  /data/Music/Bulk/0soundtrack/sonimage - si 819 - robert hermel - gourmandise party/B3-PARIS-BREST.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  181
                                           'genre'  soundtrack-library
                                        'filesize'  7255746
                                           'mtime'  1636473289
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack sonimage si 819 robert hermel gourmandise B3 soundtrack library
                                      'tag_artist'  Robert Hermel
                                     'tag_release'  Gourmandise party
                                       'tag_title'  PARIS-BREST
                                             'bpm'  119.4
                                    'search_title'  'brest':2 'paris':1 'parisbrest':3
                                   'search_artist'  'hermel':2 'robert':1
                                  'search_release'  'gourmandise':1 'party':2
                                     'search_rest'  '0soundtrack':1 '819':4 'b3':8 'gourmandise':7 'hermel':6 'library':10 'robert':5 'si':3 'sonimage':2 'soundtrack':9
                                    'search_combo'  '0soundtrack':8 '819':11 'b3':15 'brest':2A 'gourmandise':6C,14 'hermel':5B,13 'library':17 'paris':1A 'parisbrest':3A 'party':7C 'robert':4B,12 'si':10 'sonimage':9 'soundtrack':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['library music']
                                        'tag_date'  1974
                                     'discogstags'  ['jazz', 'rock']

============================== file details ==============================
                                           'mtime'  1636473289.0325625  (2021-11-09 16:54:49)
                             'size'  7255746