======================== unified (from filesystem) ========================
                                         'bitrate'  '217.709'
                                        'duration'  '319'
                                          'artist'  'Hot Chip'
                                     'text_people'  ''
                                         'release'  'The Warning'
                                           'title'  'And I Was A Boy From School'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['indie', 'electronica', 'electropop', 'electronic', 'electro']"
                                     'discogstags'  "['electronic', 'leftfield', 'house', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-we-electro;set-pl-sced;electronic-we-electropop or synthpop'
                                             'bpm'  '126.095'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000013C4 00001588 0000696B'
'COMM:iTunNORM:eng'                                 (' 000013C4 00001588 0000696B 00006877 0001092D 0001092D 00008000 00008000 '
 '00004BAF 00004BAF')
'TALB' (Album/Movie/Show title)                     'The Warning'
'TBPM' (BPM (beats per minute))                     '126.095'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-electro', 'set-pl-sced', 'electronic-we-electropop or synthpop']
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'And I Was A Boy From School'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Hot Chip'
'TPE2' (Band/orchestra/accompaniment)               'Hot Chip'
'TPUB' (Publisher)                                  'Astralwerks'
'TRCK' (Track number/Position in set)               '2'
'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', 'leftfield', 'house', 'downtempo']
'TXXX:lastfmtags'                                   ['indie', 'electronica', 'electropop', 'electronic', 'electro']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.70 dB'
'TXXX:replaygain_track_peak'                        '0.430374'

========================== row from database ==========================
                                              'id'  1327839
                                            'path'  /data/Music/Bulk/00poprockelectronic/Hot Chip/[2006] The Warning/02 And I Was A Boy From School.mp3
                                         'working'  None
                                         'bitrate'  217
                                    'duration_sec'  319
                                           'genre'  electronic-we-electro;set-pl-sced;electronic-we-electropop or synthpop
                                        'filesize'  8771958
                                           'mtime'  1636757562
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [2006] 02 electronic we electro;set pl sced;electronic we electropop or synthpop
                                      'tag_artist'  Hot Chip
                                     'tag_release'  The Warning
                                       'tag_title'  And I Was A Boy From School
                                             'bpm'  126.095
                                    'search_title'  'a':4 'and':1 'boy':5 'from':6 'i':2 'school':7 'was':3
                                   'search_artist'  'chip':2 'hot':1
                                  'search_release'  'the':1 'warning':2
                                     'search_rest'  '00poprockelectronic':1 '2006':2,3 'electro':6,8 'electronic':4,12,14 'electropop':15 'or':16 'pl':10 'sced':11,13 'set':7,9 'synthpop':17 'we':5
                                    'search_combo'  '00poprockelectronic':12 '2006':13,14 'a':4A 'and':1A 'boy':5A 'chip':9B 'electro':17,19 'electronic':15,23,25 'electropop':26 'from':6A 'hot':8B 'i':2A 'or':27 'pl':21 'sced':22,24 'school':7A 'set':18,20 'synthpop':28 'the':10C 'warning':11C 'was':3A 'we':16
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', '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-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'electronica', 'electropop', 'electronic', 'electro']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'leftfield', 'house', 'downtempo']

============================== file details ==============================
                                           'mtime'  1636757562.287103  (2021-11-12 23:52:42)
                             'size'  8771958