======================== unified (from filesystem) ========================
                                         'bitrate'  '171.723'
                                        'duration'  '234'
                                          'artist'  'Bilal'
                                     'text_people'  ''
                                         'release'  '1st Born Second'
                                           'title'  'All That I Am (Somethin for the People)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-2', "
 "'Q-UNU-1', '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-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['rnb', 'nu soul', 'soul', 'neo soul']"
                                     'discogstags'  "['hip hop', 'funk / soul', 'rnb/swing', 'neo soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '17'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '99.910'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 0000110A 000001A0 000164A8'
'COMM:iTunNORM:eng'                                 (' 0000110A 000001A0 000164A8 000096E4 00030114 0003301F 000085EA 000086F0 '
 '0002BF43 00005B1F')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007B0 00000000009DA7C0 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '17+F6E4904A52D31F59A9E1072E996EC32F+1429803'
'TALB' (Album/Movie/Show title)                     '1st Born Second'
'TBPM' (BPM (beats per minute))                     '99.910'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2001'
'TENC' (Encoded by)                                 'iTunes v6.0.2'
'TIT2' (Title/songname/content description)         'All That I Am (Somethin for the People)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bilal'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '5/17'
'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'                                  ['hip hop', 'funk / soul', 'rnb/swing', 'neo soul']
'TXXX:lastfmtags'                                   ['rnb', 'nu soul', 'soul', 'neo soul']
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.42 dB'
'TXXX:replaygain_track_peak'                        '0.485752'

========================== row from database ==========================
                                              'id'  1507225
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Bilal - ALL THAT I AM (SOMETHIN_ FOR THE PEOPLE).mp3
                                         'working'  None
                                         'bitrate'  171
                                    'duration_sec'  234
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  5033982
                                           'mtime'  1620586955
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism ALL THAT AM (SOMETHIN_ FOR THE PEOPLE) hip hop rnb rap turntablism
                                      'tag_artist'  Bilal
                                     'tag_release'  1st Born Second
                                       'tag_title'  All That I Am (Somethin for the People)
                                             'bpm'  99.91
                                    'search_title'  'all':1 'am':4 'for':7 'i':3 'people':9,10 'somethin':5,6 'that':2 'the':8
                                   'search_artist'  'bilal':1
                                  'search_release'  '1st':1 'born':2 'second':3
                                     'search_rest'  'all':5 'am':7 'for':10 'hip':14 'hiphop':1 'hop':15 'people':12,13 'rap':2 'rnb':3 'somethin':8,9 'that':6 'the':11 'turntablism':4
                                    'search_combo'  '1st':12C 'all':1A,19 'am':4A,21 'bilal':11B 'born':13C 'for':7A,24 'hip':28 'hiphop':15 'hop':29 'i':3A 'people':9A,10A,26,27 'rap':16 'rnb':17 'second':14C 'somethin':5A,6A,22,23 'that':2A,20 'the':8A,25 'turntablism':18
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', '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'  ['rnb', 'nu soul', 'soul', 'neo soul']
                                        'tag_date'  2001
                                     'discogstags'  ['hip hop', 'funk / soul', 'rnb/swing', 'neo soul']

============================== file details ==============================
                                           'mtime'  1620586955.059106  (2021-05-09 21:02:35)
                             'size'  5033982