======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '420'
                                          'artist'  'The Knocks'
                                     'text_people'  ''
                                         'release'  'Dancing With The Dj Remixes'
                                           'title'  'Dancing With The DJ (Monsieur Adi Remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['street punk', 'punk', 'indie dance', 'electronic', 'synthpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '122.957'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00002A73 00001EB0 000143E5 0000D05E 0002487D 00026EF5 0001A0AB 0001A29F '
 '0005203E 0002261A')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000AE0 00000000011A9F90 00000000 01004415 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Dancing With The Dj Remixes'
'TBPM' (BPM (beats per minute))                     '122.957'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TENC' (Encoded by)                                 'iTunes 10.0'
'TIT2' (Title/songname/content description)         'Dancing With The DJ (Monsieur Adi Remix)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Knocks'
'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:lastfmtags'                                   ['street punk', 'punk', 'indie dance', 'electronic', 'synthpop']
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+26.32 dB'
'TXXX:replaygain_track_peak'                        '0.035778'

========================== row from database ==========================
                                              'id'  1346565
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Dancing With The DJ (Monsieur Adi Remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  420
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  16863169
                                           'mtime'  1621696764
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] electronic we electropop or synthpop
                                      'tag_artist'  The Knocks
                                     'tag_release'  Dancing With The Dj Remixes
                                       'tag_title'  Dancing With The DJ (Monsieur Adi Remix)
                                             'bpm'  122.957
                                    'search_title'  'adi':7 'dancing':1 'dj':4 'monsieur':5,6 'remix':8,9 'the':3 'with':2
                                   'search_artist'  'knocks':2 'the':1
                                  'search_release'  'dancing':1 'dj':4 'remixes':5 'the':3 'with':2
                                     'search_rest'  '00poprockelectronic':1 'electronic':7 'electropop':9 'files':5,6 'loose':3,4 'or':10 'synthpop':11 'unsorted':2 'we':8
                                    'search_combo'  '00poprockelectronic':17 'adi':7A 'dancing':1A,12C 'dj':4A,15C 'electronic':23 'electropop':25 'files':21,22 'knocks':11B 'loose':19,20 'monsieur':5A,6A 'or':26 'remix':8A,9A 'remixes':16C 'synthpop':27 'the':3A,10B,14C 'unsorted':18 'we':24 'with':2A,13C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['street punk', 'punk', 'indie dance', 'electronic', 'synthpop']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696763.575574  (2021-05-22 17:19:23)
                             'size'  16863169