======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '271'
                                          'artist'  'Balam Acab'
                                     'text_people'  ''
                                         'release'  'See Birds'
                                           'title'  'Big Boy'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dubstep', 'electronic', 'psychedelic', 'witch house', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '5'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '120.256'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000973 00000973 0000A05E'
'COMM:iTunNORM:eng'                                 (' 00000973 00000973 0000A05E 0000A05A 0000EE5E 0000EE5E 00008000 00008000 '
 '0000DE0A 0000DE0A')
'TALB' (Album/Movie/Show title)                     'See Birds'
'TBPM' (BPM (beats per minute))                     '120.256'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Big Boy'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Balam Acab'
'TPE2' (Band/orchestra/accompaniment)               'Balam Acab'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/5'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf52.61.0'
'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'                                   ['dubstep', 'electronic', 'psychedelic', 'witch house', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.76 dB'
'TXXX:replaygain_track_peak'                        '0.364881'

========================== row from database ==========================
                                              'id'  763839
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Balam Acab - BIG BOY.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  271
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  10864930
                                           'mtime'  1620586895
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism BIG BOY hip hop or rnb or rap or turntablism
                                      'tag_artist'  Balam Acab
                                     'tag_release'  See Birds
                                       'tag_title'  Big Boy
                                             'bpm'  120.256
                                    'search_title'  'big':1 'boy':2
                                   'search_artist'  'acab':2 'balam':1
                                  'search_release'  'birds':2 'see':1
                                     'search_rest'  'big':5 'boy':6 'hip':7 'hiphop':1 'hop':8 'or':9 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'acab':4B 'balam':3B 'big':1A,11 'birds':6C 'boy':2A,12 'hip':13 'hiphop':7 'hop':14 'or':15 'rap':8 'rnb':9 'see':5C 'turntablism':10
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', '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-3', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dubstep', 'electronic', 'psychedelic', 'witch house', 'ambient']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620586895.0982187  (2021-05-09 21:01:35)
                             'size'  10864930