======================== unified (from filesystem) ========================
                                         'bitrate'  '211.643'
                                        'duration'  '329'
                                          'artist'  'Moi Dix Mois'
                                     'text_people'  ''
                                         'release'  'Nocturnal Opera'
                                           'title'  'Monophobia'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['gothic metal', 'visual kei', 'gothic', 'japanese', 'j rock']"
                                     'discogstags'  "['goth rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-jrock-visualkei;set-pl-sced'
                                             'bpm'  '137.013'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000196B 00001989 00006354'
'COMM:iTunNORM:eng'                                 (' 0000196B 00001989 00006354 0000688B 0002E5AB 0003A8CC 00008000 00008000 '
 '0000C34E 0000C337')
'COMM:iTunPGAP:eng'                                 '1'
'TALB' (Album/Movie/Show title)                     'Nocturnal Opera'
'TBPM' (BPM (beats per minute))                     '137.013'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan-jrock-visualkei', 'set-pl-sced']
'TDRC' (Recording time)                             '2004'
'TENC' (Encoded by)                                 'Lame 3.90.3'
'TIT2' (Title/songname/content description)         'Monophobia'
'TKEY' (Initial key)                                '8B'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Moi Dix Mois'
'TPE2' (Band/orchestra/accompaniment)               'Moi Dix Mois'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['goth rock', 'rock']
'TXXX:lastfmtags'                                   ['gothic metal', 'visual kei', 'gothic', 'japanese', 'j rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.06 dB'
'TXXX:replaygain_track_peak'                        '0.332373'

========================== row from database ==========================
                                              'id'  933753
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Moi dix Mois/[2004] Nocturnal Opera/03 Monophobia.mp3
                                         'working'  None
                                         'bitrate'  211
                                    'duration_sec'  329
                                           'genre'  loc-asia-japan-jrock-visualkei;set-pl-sced
                                        'filesize'  8969709
                                           'mtime'  1621695830
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia dix [2004] 03 loc asia japan jrock visualkei;set pl sced
                                      'tag_artist'  Moi Dix Mois
                                     'tag_release'  Nocturnal Opera
                                       'tag_title'  Monophobia
                                             'bpm'  137.013
                                    'search_title'  'monophobia':1
                                   'search_artist'  'dix':2 'moi':1 'mois':3
                                  'search_release'  'nocturnal':1 'opera':2
                                     'search_rest'  '00asia':1 '2004':3,4 'asia':6 'dix':2 'japan':7 'jrock':8 'loc':5 'pl':13 'sced':14 'set':10,12 'visualkei':9,11
                                    'search_combo'  '00asia':7 '2004':9,10 'asia':12 'dix':3B,8 'japan':13 'jrock':14 'loc':11 'moi':2B 'mois':4B 'monophobia':1A 'nocturnal':5C 'opera':6C 'pl':19 'sced':20 'set':16,18 'visualkei':15,17
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['gothic metal', 'visual kei', 'gothic', 'japanese', 'j rock']
                                        'tag_date'  2004
                                     'discogstags'  ['goth rock', 'rock']

============================== file details ==============================
                                           'mtime'  1621695829.8332467  (2021-05-22 17:03:49)
                             'size'  8969709