======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '393'
                                          'artist'  'The Twins'
                                     'text_people'  ''
                                         'release'  'A Wild Romance/BONUS'
                                           'title'  'Love System (Maxi version)'
                                           'quals'  "['q-bass-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1983'
                                        'comments'  ''
                                           'genre'  'Disco'
                                             'bpm'  '130.8'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'A Wild Romance/BONUS'
'TBPM' (BPM (beats per minute))                     '130.8'
'TCON' (Content type, a.k.a. Genre)                 'Disco'
'TDRC' (Recording time)                             '1983'
'TIT2' (Title/songname/content description)         'Love System (Maxi version)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Twins'
'TRCK' (Track number/Position in set)               '14'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.31 dB'
'TXXX:replaygain_track_peak'                        '0.682580'

========================== row from database ==========================
                                              'id'  1538662
                                            'path'  /data/Music/Other/PrevSet/[7zomgeighties]/The Twins - Love System (Maxi version).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  393
                                           'genre'  Disco
                                        'filesize'  9460010
                                           'mtime'  1662800506
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [7zomgeighties] Disco
                                      'tag_artist'  The Twins
                                     'tag_release'  A Wild Romance/BONUS
                                       'tag_title'  Love System (Maxi version)
                                             'bpm'  130.8
                                    'search_title'  'love':1 'maxi':3,4 'system':2 'version':5,6
                                   'search_artist'  'the':1 'twins':2
                                  'search_release'  'a':1 'bonus':4 'romance':3 'romancebonus':5 'wild':2
                                     'search_rest'  '7zomgeighties':2,3 'disco':4 'prev':5 'prevset':1 'set':6
                                    'search_combo'  '7zomgeighties':15,16 'a':9C 'bonus':12C 'disco':17 'love':1A 'maxi':3A,4A 'prev':18 'prevset':14 'romance':11C 'romancebonus':13C 'set':19 'system':2A 'the':7B 'twins':8B 'version':5A,6A 'wild':10C
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['q-bass-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2']
                                      'lastfmtags'  []
                                        'tag_date'  1983
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800505.522295  (2022-09-10 11:01:45)
                             'size'  9460010