======================== unified (from filesystem) ========================
                                         'bitrate'  '186.968'
                                        'duration'  '373'
                                          'artist'  'Pendulum'
                                     'text_people'  ''
                                         'release'  'Hold Your Colour'
                                           'title'  'Through The Loop'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['electronica', 'drum and bass', 'dnb', 'electronic', 'drum n bass']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '116.655'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:]"\x00\x00'                      PRIV(owner='AverageLevel', data=b']"\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Hold Your Colour'
'TBPM' (BPM (beats per minute))                     '116.655'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 "i'm too lame to change the default settings"
'TIT2' (Title/songname/content description)         'Through The Loop'
'TKEY' (Initial key)                                '1A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Pendulum'
'TRCK' (Track number/Position in set)               '5'
'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'                                   ['electronica', 'drum and bass', 'dnb', 'electronic', 'drum n bass']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.01 dB'
'TXXX:replaygain_track_peak'                        '0.430938'

========================== row from database ==========================
                                              'id'  1407482
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Drum and Bass/_Diversen/05-pendulum_-_through_the_loop-boss.mp3
                                         'working'  None
                                         'bitrate'  187
                                    'duration_sec'  373
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  10907683
                                           'mtime'  1621696405
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Drum and Bass _Diversen 05 pendulum_ _through_the_loop boss electronic th breakbeat or dnb or jungle
                                      'tag_artist'  Pendulum
                                     'tag_release'  Hold Your Colour
                                       'tag_title'  Through The Loop
                                             'bpm'  116.655
                                    'search_title'  'loop':3 'the':2 'through':1
                                   'search_artist'  'pendulum':1
                                  'search_release'  'colour':3 'hold':1 'your':2
                                     'search_rest'  '00poprockelectronic':1 'and':6 'bass':7 'boss':13 'breakbeat':16 'dance':3 'diversen':8 'dnb':18 'drum':5 'electronic':14 'generic':2 'jungle':19 'loop':12 'or':17 'pendulum':9 'th':15 'the':11 'through':10 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':8 'and':13 'bass':14 'boss':20 'breakbeat':23 'colour':7C 'dance':10 'diversen':15 'dnb':25 'drum':12 'electronic':21 'generic':9 'hold':5C 'jungle':26 'loop':3A,19 'or':24 'pendulum':4B,16 'th':22 'the':2A,18 'through':1A,17 'trapbeat':11 'your':6C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['electronica', 'drum and bass', 'dnb', 'electronic', 'drum n bass']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696405.3485801  (2021-05-22 17:13:25)
                             'size'  10907683