======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '167'
                                          'artist'  'Various'
                                     'text_people'  ''
                                         'release'  'Billboard Top 100 - 1988'
                                           'title'  'Hazy Shade Of Winter'
                                           'quals'  "['q-bass-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '35'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'Pop'
                                             'bpm'  '100.2'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Billboard'
'TALB' (Album/Movie/Show title)                     'Billboard Top 100 - 1988'
'TBPM' (BPM (beats per minute))                     '100.2'
'TCON' (Content type, a.k.a. Genre)                 'Pop'
'TIT2' (Title/songname/content description)         'Hazy Shade Of Winter'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bangles'
'TPE2' (Band/orchestra/accompaniment)               'Various'
'TRCK' (Track number/Position in set)               '35'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.29 dB'
'TXXX:replaygain_track_peak'                        '0.617068'

========================== row from database ==========================
                                              'id'  1538577
                                            'path'  /data/Music/Other/PrevSet/[0yay1]/The Bangles/Hazy Shade Of Winter.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  167
                                           'genre'  Pop
                                        'filesize'  3346160
                                           'mtime'  1662800300
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [0yay1] The Bangles Pop
                                      'tag_artist'  Various
                                     'tag_release'  Billboard Top 100 - 1988
                                       'tag_title'  Hazy Shade Of Winter
                                             'bpm'  100.2
                                    'search_title'  'hazy':1 'of':3 'shade':2 'winter':4
                                   'search_artist'  'various':1
                                  'search_release'  '100':3 '1988':4 'billboard':1 'top':2
                                     'search_rest'  '0yay1':2,3 'bangles':5 'pop':6 'prev':7 'prevset':1 'set':8 'the':4
                                    'search_combo'  '0yay1':11,12 '100':8C '1988':9C 'bangles':14 'billboard':6C 'hazy':1A 'of':3A 'pop':15 'prev':16 'prevset':10 'set':17 'shade':2A 'the':13 'top':7C 'various':5B 'winter':4A
                                    'tag_tracknum'  35
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['q-bass-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800300.0449276  (2022-09-10 10:58:20)
                             'size'  3346160