======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '204'
                                          'artist'  'Rose Avril et Orchestre, dir. Johny Uvergolts'
                                     'text_people'  ''
                                         'release'  'tango in europe'
                                           'title'  'Tes mensonges (Your Lies)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-LOCALNESS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1942'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga'
                                             'bpm'  '122.363'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'tango in europe'
'TBPM' (BPM (beats per minute))                     '122.363'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-tango or milonga'
'TDRC' (Recording time)                             '1942'
'TIT2' (Title/songname/content description)         'Tes mensonges (Your Lies)'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Rose Avril et Orchestre, dir. Johny Uvergolts'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.97 dB'
'TXXX:replaygain_track_peak'                        '0.710380'

========================== row from database ==========================
                                              'id'  851220
                                            'path'  /data/Music/Bulk/00localcharacter/tango in europe (various)/Rose Avril - Tes mensonges (Your Lies) (1942).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  204
                                           'genre'  loc-style-tango or milonga
                                        'filesize'  3277594
                                           'mtime'  1620528495
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter (various) (1942) loc style or milonga
                                      'tag_artist'  Rose Avril et Orchestre, dir. Johny Uvergolts
                                     'tag_release'  tango in europe
                                       'tag_title'  Tes mensonges (Your Lies)
                                             'bpm'  122.363
                                    'search_title'  'lies':5,6 'mensonges':2 'tes':1 'your':3,4
                                   'search_artist'  'avril':2 'dir':6,7 'et':3 'johny':8 'orchestre':4,5 'rose':1 'uvergolts':9
                                  'search_release'  'europe':3 'in':2 'tango':1
                                     'search_rest'  '1942':3,4 'loc':5 'milonga':8 'or':7 'style':6 'various':1,2
                                    'search_combo'  '1942':21,22 'avril':8B 'dir':12B,13B 'et':9B 'europe':18C 'in':17C 'johny':14B 'lies':5A,6A 'loc':23 'mensonges':2A 'milonga':26 'or':25 'orchestre':10B,11B 'rose':7B 'style':24 'tango':16C 'tes':1A 'uvergolts':15B 'various':19,20 'your':3A,4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1942
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528495.261066  (2021-05-09 04:48:15)
                             'size'  3277594