<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '211.234'
                                        'duration'  '294'
                                          'artist'  'Sally Shapiro'
                                     'text_people'  ''
                                         'release'  'Disco Romance'
                                           'title'  'Find My Soul'
                                           'quals'  "['q-bass-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '9'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'Italo Disco'
                                             'bpm'  '128.0'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f95382dae20>

'APIC:'                                             type PictureType.OTHER (Other) b''<br/>                                     <img style="width:150px" src="image?fid=1538435"/>
'TALB' (Album/Movie/Show title)                     'Disco Romance'
'TBPM' (BPM (beats per minute))                     '128.0'
'TCMP'                                              '0'
'TCON' (Content type, a.k.a. Genre)                 'Italo Disco'
'TDRC' (Recording time)                             '2006-12-11'
'TDRL' (Release time)                               '2006-12-11'
'TDTG' (Tagging time)                               '2007-09-06 18:21:54'
'TIT2' (Title/songname/content description)         'Find My Soul'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sally Shapiro'
'TRCK' (Track number/Position in set)               '3/9'
'TSOP' (Performer sort order)                       'Shapiro, Sally'
'TXXX:MusicBrainz Album Artist'                     'Sally Shapiro'
'TXXX:MusicBrainz Album Artist Id'                  '076b616f-399d-41d6-881e-fcb47505912b'
'TXXX:MusicBrainz Album Artist Sortname'            'Shapiro, Sally'
'TXXX:MusicBrainz Album Id'                         '145979a9-8287-4687-b11b-08336e8fe105'
'TXXX:MusicBrainz Album Release Country'            'SE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '076b616f-399d-41d6-881e-fcb47505912b'
'TXXX:MusicBrainz Non-Album'                        '0'
'TXXX:MusicIP PUID'                                 '51ddc438-9f06-ee4b-8c57-ab9b9fc30167'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5c9f2eb3-6a62-4cc8-828a-ffa01a69d91c')

========================== row from database ==========================
                                              'id'  1538435
                                            'path'  /data/Music/Other/PrevSet/[2electro1-softer]/Italo/Sally Shapiro/Find My Soul.mp3
                                         'working'  None
                                         'bitrate'  211
                                    'duration_sec'  294
                                           'genre'  Italo Disco
                                        'filesize'  7788327
                                           'mtime'  1662800368
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [2electro1 softer] Italo Italo
                                      'tag_artist'  Sally Shapiro
                                     'tag_release'  Disco Romance
                                       'tag_title'  Find My Soul
                                             'bpm'  128.0
                                    'search_title'  'find':1 'my':2 'soul':3
                                   'search_artist'  'sally':1 'shapiro':2
                                  'search_release'  'disco':1 'romance':2
                                     'search_rest'  '2electro1':2,3 'italo':6 'prev':7 'prevset':1 'set':8 'softer':4,5
                                    'search_combo'  '2electro1':9,10 'disco':6C 'find':1A 'italo':13 'my':2A 'prev':14 'prevset':8 'romance':7C 'sally':4B 'set':15 'shapiro':5B 'softer':11,12 'soul':3A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['q-bass-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2']
                                      'lastfmtags'  []
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800368.466719  (2022-09-10 10:59:28)
                             'size'  7788327