======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '271'
                                          'artist'  'Rita'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Super Erotica'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', "
 "'Q-GRIT-2', 'Q-BUSY-3', 'Q-SYN-1', 'Q-PLAY-2', 'q-bass-4', 'Q-CHART-1', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['j-pop', 'female vocalists', 'japanese', 'game', 'doujin']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-porngroove'
                                             'bpm'  '143.1'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '143.1'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-porngroove'
'TIT2' (Title/songname/content description)         'Super Erotica'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rita'
'TRCK' (Track number/Position in set)               '1'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf52.54.0'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '1'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:compatible_brands'                            'isommp42'
'TXXX:lastfmtags'                                   ['j-pop', 'female vocalists', 'japanese', 'game', 'doujin']
'TXXX:major_brand'                                  'mp42'
'TXXX:minor_version'                                '0'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.39 dB'
'TXXX:replaygain_track_peak'                        '0.524683'

========================== row from database ==========================
                                              'id'  1529714
                                            'path'  /data/Music/Bulk/00poprockelectronic/rita - 1970 - super erotica 7__/01 - Super Erotica.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  271
                                           'genre'  set-pl-porngroove
                                        'filesize'  4351473
                                           'mtime'  1620354388
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic rita 1970 super erotica 7__ 01 set pl porngroove
                                      'tag_artist'  Rita
                                     'tag_release'  None
                                       'tag_title'  Super Erotica
                                             'bpm'  143.1
                                    'search_title'  'erotica':2 'super':1
                                   'search_artist'  'rita':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '1970':3 '7':6 'erotica':5 'pl':8 'porngroove':9 'rita':2 'set':7 'super':4
                                    'search_combo'  '00poprockelectronic':4 '1970':6 '7':9 'erotica':2A,8 'pl':11 'porngroove':12 'rita':3B,5 'set':10 'super':1A,7
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-1', 'q-drums-3', 'q-piano-1', 'Q-SYN-1', 'q-other-2', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  ['j-pop', 'female vocalists', 'japanese', 'game', 'doujin']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620354388.0062296  (2021-05-07 04:26:28)
                             'size'  4351473