======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '133'
                                          'artist'  'The Redcoats'
                                     'text_people'  ''
                                         'release'  'The Redcoats'
                                           'title'  'Girls Girls Girls'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['beat', 'two or more artists with the same name']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '11'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-gr-punk-indie'
                                             'bpm'  '145.5'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'blog.wfmu.org'
'COMM:iTunNORM:eng'                                 (' 0000076B 00000901 00003E33 00003D92 00009C87 0000D078 00003BEC 00004232 '
 '00002BAC 0001CEDB')
'COMM:iTunes_CDDB_1:eng'                            '71063D0B+119944+11+150+8537+18079+28114+39430+49539+57305+68387+81854+93884+104309'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '3'
'TALB' (Album/Movie/Show title)                     'The Redcoats'
'TBPM' (BPM (beats per minute))                     '145.5'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk-indie'
'TENC' (Encoded by)                                 'iTunes v4.8'
'TIT2' (Title/songname/content description)         'Girls Girls Girls'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Redcoats'
'TRCK' (Track number/Position in set)               '3/11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['beat', 'two or more artists with the same name']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.10 dB'
'TXXX:replaygain_track_peak'                        '0.312211'

========================== row from database ==========================
                                              'id'  660034
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/10/291_03_The_Redcoats_-_Girls_Girls_Girls.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  133
                                           'genre'  rock-gr-punk-indie
                                        'filesize'  3545745
                                           'mtime'  1636914723
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 10 291_03_The_Redcoats_ _Girls_Girls_Girls rock gr punk indie
                                      'tag_artist'  The Redcoats
                                     'tag_release'  The Redcoats
                                       'tag_title'  Girls Girls Girls
                                             'bpm'  145.5
                                    'search_title'  'girls':1
                                   'search_artist'  'redcoats':2 'the':1
                                  'search_release'  'redcoats':2 'the':1
                                     'search_rest'  '03':2 '291':1 'girls':5,6,7 'gr':9 'indie':11 'punk':10 'redcoats':4 'rock':8 'the':3
                                    'search_combo'  '03':7 '291':6 'girls':1A,10,11,12 'gr':14 'indie':16 'punk':15 'redcoats':3B,5C,9 'rock':13 'the':2B,4C,8
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['beat', 'two or more artists with the same name']
                                        'tag_date'  
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636914722.9828181  (2021-11-14 19:32:02)
                             'size'  3545745