======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '180'
                                          'artist'  'Esben and the Witch'
                                     'text_people'  ''
                                         'release'  'Violet Cries'
                                           'title'  'Marine Fields Glow'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
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 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'female vocalists', 'post punk', 'electronic', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '10'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '138.607'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000297 000002C3 00001A14 00001EDA 00019AEB 0001C05E 0000793F 00007B1E '
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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 0000090C 0000000000797964 00000000 006E17AD 00000000 '
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'COMM:iTunes_CDDB_1:eng'                            '7B0A570A+198718+10+150+26262+32467+52488+80601+102096+126529+144253+157792+178578'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '8'
'TALB' (Album/Movie/Show title)                     'Violet Cries'
'TBPM' (BPM (beats per minute))                     '138.607'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '2011'
'TENC' (Encoded by)                                 'iTunes 10.1.1.4'
'TIT2' (Title/songname/content description)         'Marine Fields Glow'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Esben and the Witch'
'TPE2' (Band/orchestra/accompaniment)               'Esben and the Witch'
'TRCK' (Track number/Position in set)               '3/10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'female vocalists', 'post punk', 'electronic', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.95 dB'
'TXXX:replaygain_track_peak'                        '0.570041'

========================== row from database ==========================
                                              'id'  1311228
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00newwave-postpunk/Esben and the Witch - Violet Cries [2011]/08 軌道 08 1.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  180
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  7810698
                                           'mtime'  1620611422
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00newwave postpunk [2011] 08 軌道 08 1 electronic we new wave or post punk
                                      'tag_artist'  Esben and the Witch
                                     'tag_release'  Violet Cries
                                       'tag_title'  Marine Fields Glow
                                             'bpm'  138.607
                                    'search_title'  'fields':2 'glow':3 'marine':1
                                   'search_artist'  'and':2 'esben':1 'the':3 'witch':4
                                  'search_release'  'cries':2 'violet':1
                                     'search_rest'  '00newwave':4 '00poprockelectronic':1 '1':9 '2011':6,7 'disco':3 'electronic':10 'new':12 'or':14 'post':15 'postpunk':5 'punk':16 'wave':13 'waves':2 'we':11 '軌道':8
                                    'search_combo'  '00newwave':13 '00poprockelectronic':10 '1':18 '2011':15,16 'and':5B 'cries':9C 'disco':12 'electronic':19 'esben':4B 'fields':2A 'glow':3A 'marine':1A 'new':21 'or':23 'post':24 'postpunk':14 'punk':25 'the':6B 'violet':8C 'wave':22 'waves':11 'we':20 'witch':7B '軌道':17
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'female vocalists', 'post punk', 'electronic', 'experimental']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620611421.8884275  (2021-05-10 03:50:21)
                             'size'  7810698