======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '161'
                                          'artist'  'The Knocks'
                                     'text_people'  ''
                                         'release'  'Make It Better CDS'
                                           'title'  "When You've Got Music"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['street punk', 'punk', 'indie dance', 'electronic', 'synthpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '87.977'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00001661 00001948 0000A13B 0000C3B3 000120C6 000120E0 00008561 00008461 '
 '0000BABC 0001FFBC')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A2C 00000000006C56C4 00000000 00622EB2 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Make It Better CDS'
'TBPM' (BPM (beats per minute))                     '87.977'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TENC' (Encoded by)                                 'iTunes 9.1.1'
'TIT2' (Title/songname/content description)         "When You've Got Music"
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Knocks'
'TRCK' (Track number/Position in set)               '2'
'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'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+18.25 dB'
'TXXX:replaygain_track_peak'                        '0.045945'

========================== row from database ==========================
                                              'id'  1300576
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/theknocks_whenyougotmusic.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  161
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  6865231
                                           'mtime'  1621696819
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] theknocks_whenyougotmusic electronic we electropop or synthpop
                                      'tag_artist'  The Knocks
                                     'tag_release'  Make It Better CDS
                                       'tag_title'  When You've Got Music
                                             'bpm'  87.977
                                    'search_title'  'got':5 'music':6 've':3 'when':1 'you':2 'youve':4
                                   'search_artist'  'knocks':2 'the':1
                                  'search_release'  'better':3 'cds':4 'it':2 'make':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':9 'electropop':11 'files':5,6 'loose':3,4 'or':12 'synthpop':13 'theknocks':7 'unsorted':2 'we':10 'whenyougotmusic':8
                                    'search_combo'  '00poprockelectronic':13 'better':11C 'cds':12C 'electronic':21 'electropop':23 'files':17,18 'got':5A 'it':10C 'knocks':8B 'loose':15,16 'make':9C 'music':6A 'or':24 'synthpop':25 'the':7B 'theknocks':19 'unsorted':14 've':3A 'we':22 'when':1A 'whenyougotmusic':20 'you':2A 'youve':4A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', '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-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['street punk', 'punk', 'indie dance', 'electronic', 'synthpop']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696818.5951705  (2021-05-22 17:20:18)
                             'size'  6865231