======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '148'
                                          'artist'  'Georges Brassens'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'La première fille'
                                           'quals'  ("['Q-BUSY-3', 'Q-GRIT-2', 'q-bass-4', 'Q-OLDST-2', 'q-drums-1', 'q-other-1', "
 "'q-piano-1', 'q-vocals-4', 'Q-HAP-3', 'Q-SYN-1', 'Q-UNU-1', 'Q-PLAY-2', "
 "'Q-CHART-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-3']")
                                      'lastfmtags'  "['chanson francaise', 'french', 'chanson', 'singer-songwriter', 'francais']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '129.6'
                                             'key'  'F m'  (4A)
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '129.6'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TENC' (Encoded by)                                 'iTunes v4.2.0.72'
'TIT2' (Title/songname/content description)         'La première fille'
'TKEY' (Initial key)                                'F m'
'TPE1' (Lead performer(s)/Soloist(s))               'Georges Brassens'
'TRCK' (Track number/Position in set)               '6'
'TXXX:MusicMagic Data'                              'AgEAEG4kgJOPWLOXhQqbYYABgAGA44JD6rOezDvPgAG/MoABgAECZ7STggzmLYBIgAGAAahEivLfsKPVgAGmt/L88au2GpsfgAKAAYlLkZyltIMoBO4AxIVqgcyEVPIKniYwr4HnwjKMi4ABCpS1pIFx5mKBo4LdgAGsQJ6f0TyPQoABtJD5DOlAq2eeNoACgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '3'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:http://www.foosic.org/'                       '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'
'TXXX:lastfmtags'                                   ['chanson francaise', 'french', 'chanson', 'singer-songwriter', 'francais']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.23 dB'
'TXXX:replaygain_track_peak'                        '0.823515'

========================== row from database ==========================
                                              'id'  1494972
                                            'path'  /data/Music/Other/Pa/France/Georges Brassens/06 La premiere fille.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  148
                                           'genre'  loc-eur-france
                                        'filesize'  2986168
                                           'mtime'  1630254463
                                   'redo_metaread'  0
                                        'rest_str'   Pa France 06 premiere loc eur france
                                      'tag_artist'  Georges Brassens
                                     'tag_release'  None
                                       'tag_title'  La première fille
                                             'bpm'  129.6
                                    'search_title'  'fille':4 'la':1 'premiere':2,3
                                   'search_artist'  'brassens':2 'georges':1
                                  'search_release'  
                                     'search_rest'  'eur':5 'france':2 'loc':4 'pa':1 'premiere':3
                                    'search_combo'  'brassens':6B 'eur':11 'fille':4A 'france':8 'georges':5B 'la':1A 'loc':10 'pa':7 'premiere':2A,3A,9
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  F m
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-3', 'q-drums-1', 'Q-SYN-1', 'q-other-1', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  ['chanson francaise', 'french', 'chanson', 'singer-songwriter', 'francais']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1630254462.6991136  (2021-08-29 18:27:42)
                             'size'  2986168