======================== unified (from filesystem) ========================
                                         'bitrate'  '123.681'
                                        'duration'  '175'
                                          'artist'  'Christel Ruby'
                                     'text_people'  ''
                                         'release'  'Dimitri 60s 70s'
                                           'title'  'Le Soleil Du Vietnam'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'Q-SYN-2', 'Q-BUSY-2', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-3', "
 "'Q-CHART-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['french', 'pop', 'garage', 'beat', 'ye-ye']"
                                     'discogstags'  "['folk rock', 'garage rock', 'chanson', 'pop', 'yé-yé', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage'
                                             'bpm'  '95.0'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri 60s 70s'
'TBPM' (BPM (beats per minute))                     '95.0'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-garage'
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         'Le Soleil Du Vietnam'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Christel Ruby'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['folk rock', 'garage rock', 'chanson', 'pop', 'yé-yé', 'rock']
'TXXX:lastfmtags'                                   ['french', 'pop', 'garage', 'beat', 'ye-ye']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.18 dB'
'TXXX:replaygain_track_peak'                        '0.392007'
'TXXX:youtube'                                      'CDSlsVsPqEo'

========================== row from database ==========================
                                              'id'  1477236
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/60s70s/Christel Ruby - Le Soleil Du Vietnam  (1967)-CDSlsVsPqEo.mp3
                                         'working'  None
                                         'bitrate'  123
                                    'duration_sec'  175
                                           'genre'  rock-gr-garage
                                        'filesize'  2714446
                                           'mtime'  1620382045
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 60s70s (1967) CDSlsVsPqEo rock gr garage
                                      'tag_artist'  Christel Ruby
                                     'tag_release'  Dimitri 60s 70s
                                       'tag_title'  Le Soleil Du Vietnam
                                             'bpm'  95.0
                                    'search_title'  'du':3 'le':1 'soleil':2 'vietnam':4
                                   'search_artist'  'christel':1 'ruby':2
                                  'search_release'  '60s':2 '70s':3 'dimitri':1
                                     'search_rest'  '1967':2,3 '60s70s':1 'cdsls':8 'cdslsvspqeo':4 'eo':11 'garage':7 'gr':6 'pq':10 'rock':5 'vs':9
                                    'search_combo'  '1967':11,12 '60s':8C '60s70s':10 '70s':9C 'cdsls':17 'cdslsvspqeo':13 'christel':5B 'dimitri':7C 'du':3A 'eo':20 'garage':16 'gr':15 'le':1A 'pq':19 'rock':14 'ruby':6B 'soleil':2A 'vietnam':4A 'vs':18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-2', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-3']
                                      'lastfmtags'  ['french', 'pop', 'garage', 'beat', 'ye-ye']
                                        'tag_date'  1967
                                     'discogstags'  ['folk rock', 'garage rock', 'chanson', 'pop', 'yé-yé', 'rock']

============================== file details ==============================
                                           'mtime'  1620382045.2381542  (2021-05-07 12:07:25)
                             'size'  2714446