======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '231'
                                          'artist'  'Rainbirds'
                                     'text_people'  ''
                                         'release'  '80s Forever: Die Größten Legenden Der 80er (Disc 4)'
                                           'title'  'Blueprint'
                                           'quals'  "['q-bass-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'Rock'
                                             'bpm'  '96.4'
                                             'key'  'C m'  (5A)
                                        'acoustid'  ''
rest: ''

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

'POPM:\x01ÿþ0'                                      POPM(email='\x01ÿþ0', rating=0, count=0)
'PRIV:www.mexp.dk:\x01\x06\x00\x00\x00\x0000-09\x01\x0b\x00\x00\x00\x00good stuff'  PRIV(owner='www.mexp.dk', data=b'\x01\x06\x00\x00\x00\x0000-09\x01\x0b\x00\x00\x00\x00good stuff')
'TALB' (Album/Movie/Show title)                     '80s Forever: Die Größten Legenden Der 80er (Disc 4)'
'TBPM' (BPM (beats per minute))                     '96.4'
'TCON' (Content type, a.k.a. Genre)                 'Rock'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Blueprint'
'TKEY' (Initial key)                                'C m'
'TPE1' (Lead performer(s)/Soloist(s))               'Rainbirds'
'TRCK' (Track number/Position in set)               '12'
'TXXX:MusicBrainz Album Id'                         '960e6225-7f7e-4497-a9f4-2a001fe259bb'
'TXXX:MusicBrainz TRM Id'                           'ca4a8c2d-8718-4e2e-88c4-7d9e37a9747e'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'77c299a1-747e-4ea6-9dc9-889c95d38d73\x00')

========================== row from database ==========================
                                              'id'  1538214
                                            'path'  /data/Music/Other/PrevSet/[0yay1]/zUnsorted/Rainbirds - Blueprint.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  231
                                           'genre'  Rock
                                        'filesize'  5554176
                                           'mtime'  1657681690
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [0yay1] zUnsorted Rock
                                      'tag_artist'  Rainbirds
                                     'tag_release'  80s Forever: Die Größten Legenden Der 80er (Disc 4)
                                       'tag_title'  Blueprint
                                             'bpm'  96.4
                                    'search_title'  'blueprint':1
                                   'search_artist'  'rainbirds':1
                                  'search_release'  '4':12,13 '80er':9 '80s':1 'der':8 'die':4 'disc':10,11 'forever':2,3 'grossten':6 'großten':5 'legenden':7
                                     'search_rest'  '0yay1':2,3 'prev':6 'prevset':1 'rock':5 'set':7 'unsorted':9 'z':8 'zunsorted':4
                                    'search_combo'  '0yay1':17,18 '4':14C,15C '80er':11C '80s':3C 'blueprint':1A 'der':10C 'die':6C 'disc':12C,13C 'forever':4C,5C 'grossten':8C 'großten':7C 'legenden':9C 'prev':21 'prevset':16 'rainbirds':2B 'rock':20 'set':22 'unsorted':24 'z':23 'zunsorted':19
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  C m
                                           'quals'  ['q-bass-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1657681690.414911  (2022-07-13 05:08:10)
                             'size'  5554176