======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '263'
                                          'artist'  'Galleon'
                                     'text_people'  ''
                                         'release'  'Galleon'
                                           'title'  'Money & Work'
                                           'quals'  "['q-bass-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '119.5'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover Image'                                  type PictureType.COVER_FRONT (Cover (front)) b'Cover Image'
                                     
'TALB' (Album/Movie/Show title)                     'Galleon'
'TBPM' (BPM (beats per minute))                     '119.5'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Money & Work'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Galleon'
'TRCK' (Track number/Position in set)               '0'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.38 dB'
'TXXX:replaygain_track_peak'                        '0.470380'

========================== row from database ==========================
                                              'id'  1538785
                                            'path'  /data/Music/Other/PrevSet/[9zdesorted]/Galleon/Money & Work.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  263
                                           'genre'  
                                        'filesize'  6348274
                                           'mtime'  1662800556
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [9zdesorted]
                                      'tag_artist'  Galleon
                                     'tag_release'  Galleon
                                       'tag_title'  Money & Work
                                             'bpm'  119.5
                                    'search_title'  'money':1 'work':2
                                   'search_artist'  'galleon':1
                                  'search_release'  'galleon':1
                                     'search_rest'  '9zdesorted':2,3 'prev':4 'prevset':1 'set':5
                                    'search_combo'  '9zdesorted':6,7 'galleon':3B,4C 'money':1A 'prev':8 'prevset':5 'set':9 'work':2A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['q-bass-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800555.6646764  (2022-09-10 11:02:35)
                             'size'  6348274