======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '168'
                                          'artist'  'Ladislav Vodicka'
                                     'text_people'  ''
                                         'release'  'The Best Of Country Beat'
                                           'title'  'My Banjo (Lies In A Dusty Case)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['country', 'folk', 'czech', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '96.300'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '365 Days Project'
'COMM:ID3v1 Comment:XXX'                            '365 Days Project'
'TALB' (Album/Movie/Show title)                     'The Best Of Country Beat'
'TBPM' (BPM (beats per minute))                     '96.300'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1972'
'TIT2' (Title/songname/content description)         'My Banjo (Lies In A Dusty Case)'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ladislav Vodicka'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['country', 'folk', 'czech', 'rap']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+3.29 dB'
'TXXX:replaygain_track_peak'                        '0.972190'

========================== row from database ==========================
                                              'id'  1343337
                                            'path'  /data/Music/Bulk/00poprockelectronic/11/317_02_Ladislav_Vodicka_-_My_Banjo_(Lies_In_A_Dusty_Case).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  168
                                           'genre'  electronic-unsorted;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  4749642
                                           'mtime'  1620352659
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 11 317_02_Ladislav_Vodicka_ _My_Banjo_(Lies_In_A_Dusty_Case) electronic unsorted;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Ladislav Vodicka
                                     'tag_release'  The Best Of Country Beat
                                       'tag_title'  My Banjo (Lies In A Dusty Case)
                                             'bpm'  96.3
                                    'search_title'  'a':6 'banjo':2 'case':8,9 'dusty':7 'in':5 'lies':3,4 'my':1
                                   'search_artist'  'ladislav':1 'vodicka':2
                                  'search_release'  'beat':5 'best':2 'country':4 'of':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 '02':3 '317':2 'a':10,17 'banjo':7,14 'case':12,19 'dusty':11,18 'electronic':20 'in':9,16 'ladislav':4 'lies':8,15 'mor':30 'my':6,13 'pl':25 'set':22,24,27,29 'shirleyspinoza':26,28 'unsorted':21,23 'vodicka':5
                                    'search_combo'  '00poprockelectronic':17 '02':19 '317':18 'a':6A,26,33 'banjo':2A,23,30 'beat':16C 'best':13C 'case':8A,9A,28,35 'country':15C 'dusty':7A,27,34 'electronic':36 'in':5A,25,32 'ladislav':10B,20 'lies':3A,4A,24,31 'mor':46 'my':1A,22,29 'of':14C 'pl':41 'set':38,40,43,45 'shirleyspinoza':42,44 'the':12C 'unsorted':37,39 'vodicka':11B,21
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['country', 'folk', 'czech', 'rap']
                                        'tag_date'  1972
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620352658.5685565  (2021-05-07 03:57:38)
                             'size'  4749642