======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '213'
                                          'artist'  'Ammoncontact'
                                     'text_people'  ''
                                         'release'  'With Voices'
                                           'title'  'Beautiful Flowers'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'electronic', 'ninja tune', 'hip hop', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '16'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '100.058'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000009AA 00000B9B 00006A3B'
'COMM:iTunNORM:eng'                                 (' 000009AA 00000B9B 00006A3B 000078A8 00030839 000270E5 0000867C 00008447 '
 '0001C29C 00007129')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000006FC 00000000008F66F4 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            'D00AC210+206758+16+150+7221+18688+28540+41619+60674+76663+93224+103539+113589+124990+140973+159976+165065+179835+192575'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '11'
'TALB' (Album/Movie/Show title)                     'With Voices'
'TBPM' (BPM (beats per minute))                     '100.058'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'iTunes v6.0.3'
'TIT2' (Title/songname/content description)         'Beautiful Flowers'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ammoncontact'
'TRCK' (Track number/Position in set)               '11/16'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'ninja tune', 'hip hop', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.01 dB'
'TXXX:replaygain_track_peak'                        '0.386497'

========================== row from database ==========================
                                              'id'  764885
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Ammoncontact - BEAUTIFUL FLOWERS.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  213
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  5226322
                                           'mtime'  1620586805
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism BEAUTIFUL FLOWERS hip hop or rnb or rap or turntablism
                                      'tag_artist'  Ammoncontact
                                     'tag_release'  With Voices
                                       'tag_title'  Beautiful Flowers
                                             'bpm'  100.058
                                    'search_title'  'beautiful':1 'flowers':2
                                   'search_artist'  'ammoncontact':1
                                  'search_release'  'voices':2 'with':1
                                     'search_rest'  'beautiful':5 'flowers':6 'hip':7 'hiphop':1 'hop':8 'or':9 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'ammoncontact':3B 'beautiful':1A,10 'flowers':2A,11 'hip':12 'hiphop':6 'hop':13 'or':14 'rap':7 'rnb':8 'turntablism':9 'voices':5C 'with':4C
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  6A
                                           '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-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'ninja tune', 'hip hop', 'experimental']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620586805.1215568  (2021-05-09 21:00:05)
                             'size'  5226322