======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '201'
                                          'artist'  'Prozzäk'
                                     'text_people'  ''
                                         'release'  'Hot Show'
                                           'title'  'Sucks to Be You'
                                           'quals'  "['q-bass-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'Other'
                                             'bpm'  '125.0'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'POPM:'                                             POPM(email='', rating=153)
'PRIV:AverageLevel:ð!\x00\x00'                      PRIV(owner='AverageLevel', data=b'\xf0!\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Hot Show'
'TBPM' (BPM (beats per minute))                     '125.0'
'TCON' (Content type, a.k.a. Genre)                 'Other'
'TIT2' (Title/songname/content description)         'Sucks to Be You'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Prozzäk'
'TRCK' (Track number/Position in set)               '9'
'TXXX:MusicBrainz Album Id'                         '401acde9-6328-4230-9dd6-ed1ad32d4449'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '9d6292b6-f97c-40b3-b1ba-898999faa4a6'
'TXXX:MusicBrainz TRM Id'                           '601195f7-3482-4763-93f3-a097bffdc2e9'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ee2f012b-629a-4ae7-9141-783833c4f9f4')

========================== row from database ==========================
                                              'id'  1538597
                                            'path'  /data/Music/Other/PrevSet/[8ohdear]/Prozzak - Sucks To Be You.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  201
                                           'genre'  Other
                                        'filesize'  3226796
                                           'mtime'  1662800440
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [8ohdear] Prozzak To Other
                                      'tag_artist'  Prozzäk
                                     'tag_release'  Hot Show
                                       'tag_title'  Sucks to Be You
                                             'bpm'  125.0
                                    'search_title'  'be':3 'sucks':1 'to':2 'you':4
                                   'search_artist'  'prozzak':1,2
                                  'search_release'  'hot':1 'show':2
                                     'search_rest'  '8ohdear':2,3 'other':6 'prev':7 'prevset':1 'prozzak':4 'set':8 'to':5
                                    'search_combo'  '8ohdear':10,11 'be':3A 'hot':7C 'other':14 'prev':15 'prevset':9 'prozzak':5B,6B,12 'set':16 'show':8C 'sucks':1A 'to':2A,13 'you':4A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['q-bass-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800440.0124097  (2022-09-10 11:00:40)
                             'size'  3226796