======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '192'
                                          'artist'  'Atlas Dusk'
                                     'text_people'  ''
                                         'release'  'Proof Of Purchase'
                                           'title'  'The Depths (Featuring Desdamona)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['underground hip hop', 'funk']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '14'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '143.823'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000005D9 000005FF 000036CB 000039E3 00026663 0002BD87 000087D6 00008AF4 '
 '000110DB 0001D83E')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000009D8 0000000000818118 00000000 00466D64 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '14+809E51605014DEE54356BD9141AB47B4+8679002'
'TALB' (Album/Movie/Show title)                     'Proof Of Purchase'
'TBPM' (BPM (beats per minute))                     '143.823'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'iTunes v7.0.2'
'TIT2' (Title/songname/content description)         'The Depths (Featuring Desdamona)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Atlas Dusk'
'TRCK' (Track number/Position in set)               '5/14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['underground hip hop', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.24 dB'
'TXXX:replaygain_track_peak'                        '0.552616'

========================== row from database ==========================
                                              'id'  767631
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Atlas Dusk - THE DEPTHS (feat. Desdamona).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  192
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4660410
                                           'mtime'  1620586877
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism THE DEPTHS (feat. hip hop or rnb or rap or turntablism
                                      'tag_artist'  Atlas Dusk
                                     'tag_release'  Proof Of Purchase
                                       'tag_title'  The Depths (Featuring Desdamona)
                                             'bpm'  143.823
                                    'search_title'  'depths':2 'desdamona':5,6 'featuring':3,4 'the':1
                                   'search_artist'  'atlas':1 'dusk':2
                                  'search_release'  'of':2 'proof':1 'purchase':3
                                     'search_rest'  'depths':6 'feat':7,8 'hip':9 'hiphop':1 'hop':10 'or':11 'rap':2 'rnb':3 'the':5 'turntablism':4
                                    'search_combo'  'atlas':7B 'depths':2A,17 'desdamona':5A,6A 'dusk':8B 'feat':18,19 'featuring':3A,4A 'hip':20 'hiphop':12 'hop':21 'of':10C 'or':22 'proof':9C 'purchase':11C 'rap':13 'rnb':14 'the':1A,16 'turntablism':15
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['underground hip hop', 'funk']
                                        'tag_date'  2007
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620586877.032063  (2021-05-09 21:01:17)
                             'size'  4660410