======================== unified (from filesystem) ========================
                                         'bitrate'  '222.866'
                                        'duration'  '295'
                                          'artist'  'Justice'
                                     'text_people'  ''
                                         'release'  'Cross'
                                           'title'  'Let There Be Light'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'electronica', 'electro', 'electronic', 'french']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-we-electro'
                                             'bpm'  '123.032'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Cross'
'TBPM' (BPM (beats per minute))                     '123.032'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electro'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Let There Be Light'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Justice'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dance', 'electronica', 'electro', 'electronic', 'french']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.97 dB'
'TXXX:replaygain_track_peak'                        '0.419232'

========================== row from database ==========================
                                              'id'  1321212
                                            'path'  /data/Music/Bulk/00poprockelectronic/00electro-electropop-synthpop/Justice/Cross/02 - Let There Be Light.mp3
                                         'working'  None
                                         'bitrate'  222
                                    'duration_sec'  295
                                           'genre'  electronic-we-electro
                                        'filesize'  8271179
                                           'mtime'  1621630049
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00electro electropop synthpop 02 electronic we electro
                                      'tag_artist'  Justice
                                     'tag_release'  Cross
                                       'tag_title'  Let There Be Light
                                             'bpm'  123.032
                                    'search_title'  'be':3 'let':1 'light':4 'there':2
                                   'search_artist'  'justice':1
                                  'search_release'  'cross':1
                                     'search_rest'  '00electro':2 '00poprockelectronic':1 'electro':7 'electronic':5 'electropop':3 'synthpop':4 'we':6
                                    'search_combo'  '00electro':8 '00poprockelectronic':7 'be':3A 'cross':6C 'electro':13 'electronic':11 'electropop':9 'justice':5B 'let':1A 'light':4A 'synthpop':10 'there':2A 'we':12
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'electronica', 'electro', 'electronic', 'french']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630048.7242055  (2021-05-21 22:47:28)
                             'size'  8271179