======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '409'
                                          'artist'  'Jaga Jazzist'
                                     'text_people'  ''
                                         'release'  'One-Armed Bandit'
                                           'title'  'Book Of Glass'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['instrumental', 'ninja tune', 'jazz', 'electronic', 'nu jazz']"
                                     'discogstags'  "['electronic', 'jazz', 'future jazz', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '95.5'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'One-Armed Bandit'
'TBPM' (BPM (beats per minute))                     '95.5'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '2010'
'TIT1' (Content group description)                  'Universal NO'
'TIT2' (Title/songname/content description)         'Book Of Glass'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jaga Jazzist'
'TPE2' (Band/orchestra/accompaniment)               'Jaga Jazzist'
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:REPLAYGAIN_REFERENCE_LOUDNESS'                '89.0 dB'
'TXXX:discogstags'                                  ['electronic', 'jazz', 'future jazz', 'experimental']
'TXXX:lastfmtags'                                   ['instrumental', 'ninja tune', 'jazz', 'electronic', 'nu jazz']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.23 dB'
'TXXX:replaygain_track_peak'                        '0.420367'

========================== row from database ==========================
                                              'id'  1286206
                                            'path'  /data/Music/Bulk/00poprockelectronic/Jaga Jazzist - One-Armed Bandit (CD)/07 Book Of Glass.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  409
                                           'genre'  electronic-unsorted;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  16434475
                                           'mtime'  1620353464
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (CD) 07 electronic unsorted;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Jaga Jazzist
                                     'tag_release'  One-Armed Bandit
                                       'tag_title'  Book Of Glass
                                             'bpm'  95.5
                                    'search_title'  'book':1 'glass':3 'of':2
                                   'search_artist'  'jaga':1 'jazzist':2
                                  'search_release'  'armed':2 'bandit':4 'one':1 'onearmed':3
                                     'search_rest'  '00poprockelectronic':1 'cd':2,3 'electronic':4 'mor':14 'pl':9 'set':6,8,11,13 'shirleyspinoza':10,12 'unsorted':5,7
                                    'search_combo'  '00poprockelectronic':10 'armed':7C 'bandit':9C 'book':1A 'cd':11,12 'electronic':13 'glass':3A 'jaga':4B 'jazzist':5B 'mor':23 'of':2A 'one':6C 'onearmed':8C 'pl':18 'set':15,17,20,22 'shirleyspinoza':19,21 'unsorted':14,16
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'ninja tune', 'jazz', 'electronic', 'nu jazz']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic', 'jazz', 'future jazz', 'experimental']

============================== file details ==============================
                                           'mtime'  1620353464.1027143  (2021-05-07 04:11:04)
                             'size'  16434475