======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '239'
                                          'artist'  'Flogging Molly'
                                     'text_people'  ''
                                         'release'  'Swagger'
                                           'title'  "Devil's Dance Floor"
                                           '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'  '10'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'Folk-Punk'
                                             'bpm'  '142.8'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'POPM:'                                             POPM(email='', rating=204)
'TALB' (Album/Movie/Show title)                     'Swagger'
'TBPM' (BPM (beats per minute))                     '142.8'
'TCON' (Content type, a.k.a. Genre)                 'Folk-Punk'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         "Devil's Dance Floor"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Flogging Molly'
'TRCK' (Track number/Position in set)               '10'
'TXXX:MusicBrainz Album Id'                         'ea0e4bbf-b933-4f69-903f-41d1d63c5b6c'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'c3694ddc-f7e5-40dd-9fad-90d11a2c50fa'
'TXXX:MusicBrainz TRM Id'                           'd415666b-79dc-45b0-8e25-627990d0b6ba'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8cc400d5-78e4-4721-a880-7d655b11ecd3')

========================== row from database ==========================
                                              'id'  1538777
                                            'path'  /data/Music/Other/PrevSet/[9zdesorted]/Flogging Molly/Devil's Dance Floor.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  239
                                           'genre'  Folk-Punk
                                        'filesize'  4793173
                                           'mtime'  1662800620
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [9zdesorted] Folk Punk
                                      'tag_artist'  Flogging Molly
                                     'tag_release'  Swagger
                                       'tag_title'  Devil's Dance Floor
                                             'bpm'  142.8
                                    'search_title'  'dance':4 'devil':1 'devils':3 'floor':5 's':2
                                   'search_artist'  'flogging':1 'molly':2
                                  'search_release'  'swagger':1
                                     'search_rest'  '9zdesorted':2,3 'folk':4 'prev':6 'prevset':1 'punk':5 'set':7
                                    'search_combo'  '9zdesorted':10,11 'dance':4A 'devil':1A 'devils':3A 'flogging':6B 'floor':5A 'folk':12 'molly':7B 'prev':14 'prevset':9 'punk':13 's':2A 'set':15 'swagger':8C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['q-bass-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2']
                                      'lastfmtags'  []
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800619.5946128  (2022-09-10 11:03:39)
                             'size'  4793173