======================== unified (from filesystem) ========================
                                         'bitrate'  '233.424'
                                        'duration'  '302'
                                          'artist'  'Spangle call Lilli line'
                                     'text_people'  ''
                                         'release'  'For Installation'
                                           'title'  'DUB: QUIETDAWN(bushmind & blockpain) remix'
                                           'quals'  ("['Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', '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-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'japanese', 'electronica', 'post rock', 'rock', 'downtempo']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-unsorted;loc-asia-japan'
                                             'bpm'  '113.708'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000012A4 0000120A 00004C3D'
'COMM:iTunNORM:eng'                                 (' 000012A4 0000120A 00004C3D 00005866 000463AB 0003EC28 00008000 00008000 '
 '00026DA2 0002B52A')
'TALB' (Album/Movie/Show title)                     'For Installation'
'TBPM' (BPM (beats per minute))                     '113.708'
'TCON' (Content type, a.k.a. Genre)                 ['rock-unsorted', 'loc-asia-japan']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'DUB: QUIETDAWN(bushmind & blockpain) remix'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Spangle call Lilli line'
'TPE2' (Band/orchestra/accompaniment)               'Spangle call Lilli line'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'japanese', 'electronica', 'post rock', 'rock', 'downtempo']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.76 dB'
'TXXX:replaygain_track_peak'                        '0.310393'

========================== row from database ==========================
                                              'id'  1421804
                                            'path'  /data/Music/Bulk/00localcharacter/Spangle call Lilli line/[2005] For Installation/07 DUB_ QUIETDAWN(bushmind & blockpain) remix.mp3
                                         'working'  None
                                         'bitrate'  233
                                    'duration_sec'  302
                                           'genre'  rock-unsorted;loc-asia-japan
                                        'filesize'  8856744
                                           'mtime'  1620385969
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter [2005] 07 DUB_ rock unsorted;loc asia japan
                                      'tag_artist'  Spangle call Lilli line
                                     'tag_release'  For Installation
                                       'tag_title'  DUB: QUIETDAWN(bushmind & blockpain) remix
                                             'bpm'  113.708
                                    'search_title'  'blockpain':6,7 'bushmind':4 'dub':1,2 'quietdawn':3 'quietdawnbushmind':5 'remix':8
                                   'search_artist'  'call':2 'lilli':3 'line':4 'spangle':1
                                  'search_release'  'for':1 'installation':2
                                     'search_rest'  '2005':1,2 'asia':9 'dub':3 'japan':10 'loc':6,8 'rock':4 'unsorted':5,7
                                    'search_combo'  '2005':15,16 'asia':23 'blockpain':6A,7A 'bushmind':4A 'call':10B 'dub':1A,2A,17 'for':13C 'installation':14C 'japan':24 'lilli':11B 'line':12B 'loc':20,22 'quietdawn':3A 'quietdawnbushmind':5A 'remix':8A 'rock':18 'spangle':9B 'unsorted':19,21
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'japanese', 'electronica', 'post rock', 'rock', 'downtempo']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620385968.8275933  (2021-05-07 13:12:48)
                             'size'  8856744