======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '249'
                                          'artist'  'Stephanie de Monaco'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Flash (Radio edit)'
                                           'quals'  "['q-bass-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'pop,eighties,zomgeighties'
                                             'bpm'  '121.8'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '121.8'
'TCON' (Content type, a.k.a. Genre)                 'pop,eighties,zomgeighties'
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         'Flash (Radio edit)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Stephanie de Monaco'
'TRCK' (Track number/Position in set)               '0'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.16 dB'
'TXXX:replaygain_track_peak'                        '0.634861'

========================== row from database ==========================
                                              'id'  1538477
                                            'path'  /data/Music/Other/PrevSet/[7zomgeighties]/Stephanie de Monaco - Flash (Radio edit).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  249
                                           'genre'  pop,eighties,zomgeighties
                                        'filesize'  4000463
                                           'mtime'  1662800492
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [7zomgeighties] pop,eighties,zomgeighties
                                      'tag_artist'  Stephanie de Monaco
                                     'tag_release'  None
                                       'tag_title'  Flash (Radio edit)
                                             'bpm'  121.8
                                    'search_title'  'edit':4,5 'flash':1 'radio':2,3
                                   'search_artist'  'de':2 'monaco':3 'stephanie':1
                                  'search_release'  
                                     'search_rest'  '7zomgeighties':2,3 'eighties':5,8 'pop':4,7 'prev':10 'prevset':1 'set':11 'zomgeighties':6,9
                                    'search_combo'  '7zomgeighties':10,11 'de':7B 'edit':4A,5A 'eighties':13,16 'flash':1A 'monaco':8B 'pop':12,15 'prev':18 'prevset':9 'radio':2A,3A 'set':19 'stephanie':6B 'zomgeighties':14,17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['q-bass-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  1986
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800492.4827158  (2022-09-10 11:01:32)
                             'size'  4000463