======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '203'
                                          'artist'  'Com.A'
                                     'text_people'  ''
                                         'release'  '$ Vol. 1'
                                           'title'  'Digital ass mix'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['glitch', 'idm', 'electronic', 'breakcore', 'japanese']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch'
                                             'bpm'  '99.616'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000021C 00000240 000005C4'
'COMM:iTunNORM:eng'                                 (' 0000021C 00000240 000005C4 0000074D 0001FC15 0001FBFE 00003A55 000032B9 '
 '0001FBE7 0002230E')
'TALB' (Album/Movie/Show title)                     '$ Vol. 1'
'TBPM' (BPM (beats per minute))                     '99.616'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-glitch'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Digital ass mix'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Com.A'
'TPUB' (Publisher)                                  'Tigerbeat6'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:Style'                                        'Glitch, Noise, Experimental'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['glitch', 'idm', 'electronic', 'breakcore', 'japanese']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.04 dB'
'TXXX:replaygain_track_peak'                        '0.845326'

========================== row from database ==========================
                                              'id'  767919
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Collaborations/Kid606 vs Com.A - 2001 - $ Vol. 1 EP (224)/2 - Com.A - Digital_ass_mix.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  203
                                           'genre'  electronic-experimental-glitch
                                        'filesize'  5753954
                                           'mtime'  1636136231
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism Collaborations Kid606 vs 2001 EP (224) 2 Digital_ass_mix electronic experimental glitch
                                      'tag_artist'  Com.A
                                     'tag_release'  $ Vol. 1
                                       'tag_title'  Digital ass mix
                                             'bpm'  99.616
                                    'search_title'  'ass':2 'digital':1 'mix':3
                                   'search_artist'  'a':2 'com':1 'coma':3
                                  'search_release'  '1':3 'vol':1,2
                                     'search_rest'  '2':12 '2001':8 '224':10,11 'ass':14 'collaborations':5 'digital':13 'electronic':16 'ep':9 'experimental':17 'glitch':18 'hiphop':1 'kid606':6 'mix':15 'rap':2 'rnb':3 'turntablism':4 'vs':7
                                    'search_combo'  '1':9C '2':21 '2001':17 '224':19,20 'a':5B 'ass':2A,23 'collaborations':14 'com':4B 'coma':6B 'digital':1A,22 'electronic':25 'ep':18 'experimental':26 'glitch':27 'hiphop':10 'kid606':15 'mix':3A,24 'rap':11 'rnb':12 'turntablism':13 'vol':7C,8C 'vs':16
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['glitch', 'idm', 'electronic', 'breakcore', 'japanese']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636136231.4107132  (2021-11-05 19:17:11)
                             'size'  5753954