======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '232'
                                          'artist'  'Bomb The Bass'
                                     'text_people'  ''
                                         'release'  'Say A Little Prayer'
                                           'title'  'Say A Little Prayer [7" Mix]'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'trip hop', 'electronica', 'electronic', 'house']"
                                     'discogstags'  "['electronic', 'house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '4'
                                            'date'  '1988'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '125.782'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000504 000004E1 00003262'
'COMM:iTunNORM:eng'                                 (' 00000504 000004E1 00003262 00003436 0002A3D3 00024198 00008000 00007FB5 '
 '000120E3 00024FED')
'TALB' (Album/Movie/Show title)                     'Say A Little Prayer'
'TBPM' (BPM (beats per minute))                     '125.782'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1988'
'TIT2' (Title/songname/content description)         'Say A Little Prayer [7" Mix]'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bomb The Bass'
'TPE2' (Band/orchestra/accompaniment)               'Bomb The Bass'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'house']
'TXXX:lastfmtags'                                   ['dance', 'trip hop', 'electronica', 'electronic', 'house']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.03 dB'
'TXXX:replaygain_track_peak'                        '0.715329'

========================== row from database ==========================
                                              'id'  1288529
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/04-bomb_the_bass-say_a_little_prayer_(featuring_maureen].mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  232
                                           'genre'  electronic-unsorted
                                        'filesize'  9469632
                                           'mtime'  1621696715
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 04 bomb_the_bass say_a_little_prayer_(featuring_maureen] electronic unsorted
                                      'tag_artist'  Bomb The Bass
                                     'tag_release'  Say A Little Prayer
                                       'tag_title'  Say A Little Prayer [7" Mix]
                                             'bpm'  125.782
                                    'search_title'  '7':5,6 'a':2 'little':3 'mix':7,8 'prayer':4 'say':1
                                   'search_artist'  'bass':3 'bomb':1 'the':2
                                  'search_release'  'a':2 'little':3 'prayer':4 'say':1
                                     'search_rest'  '00poprockelectronic':1 'a':11,17 'bass':9 'bomb':7 'electronic':22 'featuring':14,20 'files':5,6 'little':12,18 'loose':3,4 'maureen':15,21 'prayer':13,19 'say':10,16 'the':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':16 '7':5A,6A 'a':2A,13C,26,32 'bass':11B,24 'bomb':9B,22 'electronic':37 'featuring':29,35 'files':20,21 'little':3A,14C,27,33 'loose':18,19 'maureen':30,36 'mix':7A,8A 'prayer':4A,15C,28,34 'say':1A,12C,25,31 'the':10B,23 'unsorted':17
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'trip hop', 'electronica', 'electronic', 'house']
                                        'tag_date'  1988
                                     'discogstags'  ['electronic', 'house']

============================== file details ==============================
                                           'mtime'  1621696715.226471  (2021-05-22 17:18:35)
                             'size'  9469632