======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '198'
                                          'artist'  'Polyphonic Size'
                                     'text_people'  ''
                                         'release'  'You'
                                           'title'  'Je tai toujours aimie'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
                                      'lastfmtags'  "['new wave', 'minimal synth', 'electronic', 'minimal wave', 'synthpop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-you'
                                             'bpm'  '104.336'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'You'
'TBPM' (BPM (beats per minute))                     '104.336'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-you'
'TIT2' (Title/songname/content description)         'Je tai toujours aimie'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Polyphonic Size'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.25.101'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['new wave', 'minimal synth', 'electronic', 'minimal wave', 'synthpop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.54 dB'
'TXXX:replaygain_track_peak'                        '0.790154'

========================== row from database ==========================
                                              'id'  764042
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/You/Polyphonic Size - Je tai toujours aimée.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  198
                                           'genre'  set-pl-you
                                        'filesize'  3178496
                                           'mtime'  1620356206
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes aimée set pl you
                                      'tag_artist'  Polyphonic Size
                                     'tag_release'  You
                                       'tag_title'  Je tai toujours aimie
                                             'bpm'  104.336
                                    'search_title'  'aimie':4 'je':1 'tai':2 'toujours':3
                                   'search_artist'  'polyphonic':1 'size':2
                                  'search_release'  'you':1
                                     'search_rest'  '0novelty':2 '0playlists':1 'aimee':4,5 'pl':7 'set':6 'themes':3 'you':8
                                    'search_combo'  '0novelty':9 '0playlists':8 'aimee':11,12 'aimie':4A 'je':1A 'pl':14 'polyphonic':5B 'set':13 'size':6B 'tai':2A 'themes':10 'toujours':3A 'you':7C,15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['new wave', 'minimal synth', 'electronic', 'minimal wave', 'synthpop']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620356206.334071  (2021-05-07 04:56:46)
                             'size'  3178496