======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '247'
                                          'artist'  'Del The Funky Homosapien'
                                     'text_people'  ''
                                         'release'  'Deltron 3030'
                                           'title'  'Battlesong'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['hip-hop', 'underground hip-hop', 'rap', 'hip hop', 'hieroglyphics']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '24'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '120.042'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000566 0000062F 00002C07'
'COMM:iTunNORM:eng'                                 (' 00000566 0000062F 00002C07 000035D5 00024C4C 00024C4C 00008000 00008000 '
 '00006522 0002C1D9')
'TALB' (Album/Movie/Show title)                     'Deltron 3030'
'TBPM' (BPM (beats per minute))                     '120.042'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2001'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Burst mode)'
'TIT2' (Title/songname/content description)         'Battlesong'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Del The Funky Homosapien'
'TPE2' (Band/orchestra/accompaniment)               'Del The Funky Homosapien'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '18/24'
'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:lastfmtags'                                   ['hip-hop', 'underground hip-hop', 'rap', 'hip hop', 'hieroglyphics']
'TXXX:q-bass'                                       '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.22 dB'
'TXXX:replaygain_track_peak'                        '0.617722'

========================== row from database ==========================
                                              'id'  1349132
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/Deltron 3030/18 - deltron 3030 - battlesong.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  247
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  7915886
                                           'mtime'  1620572484
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted 18 deltron battlesong hip hop or rnb or rap or turntablism
                                      'tag_artist'  Del The Funky Homosapien
                                     'tag_release'  Deltron 3030
                                       'tag_title'  Battlesong
                                             'bpm'  120.042
                                    'search_title'  'battlesong':1
                                   'search_artist'  'del':1 'funky':3 'homosapien':4 'the':2
                                  'search_release'  '3030':2 'deltron':1
                                     'search_rest'  '00poprockelectronic':1 '18':3 'battlesong':5 'deltron':4 'hip':6 'hop':7 'or':8 'rap':10 'rnb':9 'turntablism':11 'unsorted':2
                                    'search_combo'  '00poprockelectronic':8 '18':10 '3030':7C 'battlesong':1A,12 'del':2B 'deltron':6C,11 'funky':4B 'hip':13 'homosapien':5B 'hop':14 'or':15 'rap':17 'rnb':16 'the':3B 'turntablism':18 'unsorted':9
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-3', '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-4', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['hip-hop', 'underground hip-hop', 'rap', 'hip hop', 'hieroglyphics']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572484.0961232  (2021-05-09 17:01:24)
                             'size'  7915886