======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '167'
                                          'artist'  'Jerry Lee Lewis'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Highschool confidential'
                                           'quals'  ("['Q-HAP-3', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-2', 'q-bass-1', 'Q-CHART-2', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-SYN-1', 'Q-UNU-1', "
 "'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  ("['rockabilly', 'rock and roll', 'rock n roll', 'oldies', '50s', 'classic "
 "rock']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '140.4'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '140.4'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Highschool confidential'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jerry Lee Lewis'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AgEBXZCFin6lYKV/glrU/4ABgAGFqol9CgmxCgr7gOAHJoABl4wTML1sgAGeo+ftgAGAAR23mkcguIABh3OvqwNX07u01dk0gAKAAY2UneyyUoPf7AD5Y4QzhSaK6/HNpvokeYMOAK2AAZAx+5e3a5K6qQK784LQhhoK0JsVIhSV45VFsYH3MuHLuJvXYIMOgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:http://www.foosic.org/'                       '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'
'TXXX:lastfmtags'                                   ['rockabilly', 'rock and roll', 'rock n roll', 'oldies', '50s', 'classic rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.88 dB'
'TXXX:replaygain_track_peak'                        '0.422126'

========================== row from database ==========================
                                              'id'  1495442
                                            'path'  /data/Music/Other/Pa/R & B/Jerry Lee Lewis/Highschool confidential.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  167
                                           'genre'  rock-unsorted
                                        'filesize'  3350441
                                           'mtime'  1678926209
                                   'redo_metaread'  0
                                        'rest_str'   Pa R & B rock unsorted
                                      'tag_artist'  Jerry Lee Lewis
                                     'tag_release'  None
                                       'tag_title'  Highschool confidential
                                             'bpm'  140.4
                                    'search_title'  'confidential':2 'highschool':1
                                   'search_artist'  'jerry':1 'lee':2 'lewis':3
                                  'search_release'  
                                     'search_rest'  'b':3 'pa':1 'r':2 'rock':4 'unsorted':5
                                    'search_combo'  'b':8 'confidential':2A 'highschool':1A 'jerry':3B 'lee':4B 'lewis':5B 'pa':6 'r':7 'rock':9 'unsorted':10
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HAP-3', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-2', 'q-bass-1', 'Q-CHART-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-SYN-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-1']
                                      'lastfmtags'  ['rockabilly', 'rock and roll', 'rock n roll', 'oldies', '50s', 'classic rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678926209.2986686  (2023-03-16 01:23:29)
                             'size'  3350441