======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '291'
                                          'artist'  'Future Bible Heroes'
                                     'text_people'  ''
                                         'release'  'Eternal Youth'
                                           'title'  'Losing Your Affection'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'indie pop', 'stephin merritt', 'electronic', 'electronica']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '111.701'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000BED 00000EE9 00002D2A'
'COMM:iTunNORM:eng'                                 (' 00000BED 00000EE9 00002D2A 00003AFA 00004E65 00004E65 00008000 00008000 '
 '00009C57 00011170')
'TALB' (Album/Movie/Show title)                     'Eternal Youth'
'TBPM' (BPM (beats per minute))                     '111.701'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Losing Your Affection'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Future Bible Heroes'
'TPE2' (Band/orchestra/accompaniment)               'Future Bible Heroes'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'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'                                   ['indie', 'indie pop', 'stephin merritt', 'electronic', 'electronica']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.03 dB'
'TXXX:replaygain_track_peak'                        '0.372610'

========================== row from database ==========================
                                              'id'  1351579
                                            'path'  /data/Music/Bulk/00poprockelectronic/00electro-electropop-synthpop/Future Bible Heroes/[2002] Eternal Youth/01 Losing Your Affection.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  291
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  11681750
                                           'mtime'  1628353876
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00electro electropop synthpop [2002] 01 electronic we electropop or synthpop
                                      'tag_artist'  Future Bible Heroes
                                     'tag_release'  Eternal Youth
                                       'tag_title'  Losing Your Affection
                                             'bpm'  111.701
                                    'search_title'  'affection':3 'losing':1 'your':2
                                   'search_artist'  'bible':2 'future':1 'heroes':3
                                  'search_release'  'eternal':1 'youth':2
                                     'search_rest'  '00electro':2 '00poprockelectronic':1 '2002':5,6 'electronic':7 'electropop':3 'or':9 'synthpop':4 'we':8
                                    'search_combo'  '00electro':10 '00poprockelectronic':9 '2002':13,14 'affection':3A 'bible':5B 'electronic':15 'electropop':11 'eternal':7C 'future':4B 'heroes':6B 'losing':1A 'or':17 'synthpop':12 'we':16 'your':2A 'youth':8C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'stephin merritt', 'electronic', 'electronica']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1628353876.3301947  (2021-08-07 18:31:16)
                             'size'  11681750