======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '198'
                                          'artist'  'Ray Stevens'
                                     'text_people'  ''
                                         'release'  'Dr. Demento: 20th Anniversary'
                                           'title'  'Gitarzan'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['humour', 'country', 'novelty', 'comedy', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'entertaining-unsorted'
                                             'bpm'  '126.095'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:box front'                                    type PictureType.COVER_FRONT (Cover (front)) b'box front'
                                     
'POPM:\x01ÿþ0'                                      POPM(email='\x01ÿþ0', rating=0, count=0)
'TALB' (Album/Movie/Show title)                     'Dr. Demento: 20th Anniversary'
'TBPM' (BPM (beats per minute))                     '126.095'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-unsorted'
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         'Gitarzan'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ray Stevens'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['humour', 'country', 'novelty', 'comedy', 'singer songwriter']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.37 dB'
'TXXX:replaygain_track_peak'                        '0.506924'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'fe56dbd4-a490-4805-a62d-c58da25d8707')

========================== row from database ==========================
                                              'id'  1491978
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/Ray Stevens__MBZ;#Ray Stevens;#Dr Demento 20th Anniversary Collection (disc 1);#16;#Gitarzan.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  198
                                           'genre'  entertaining-unsorted
                                        'filesize'  6420483
                                           'mtime'  1637330809
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch Stevens__MBZ;#Ray Stevens;#Dr Collection (disc 1);#16;#Gitarzan entertaining unsorted
                                      'tag_artist'  Ray Stevens
                                     'tag_release'  Dr. Demento: 20th Anniversary
                                       'tag_title'  Gitarzan
                                             'bpm'  126.095
                                    'search_title'  'gitarzan':1
                                   'search_artist'  'ray':1 'stevens':2
                                  'search_release'  '20th':5 'anniversary':6 'demento':3,4 'dr':1,2
                                     'search_rest'  '00dutch':4 '00mid':1 '1':18,21 '16':19,22 'collection':15 'disc':16,17 'dr':12,14 'entertaining':24 'europe':3 'gitarzan':20,23 'mbz':6,9 'north':2 'ray':7,10 'stevens':5,8,11,13 'unsorted':25
                                    'search_combo'  '00dutch':13 '00mid':10 '1':27,30 '16':28,31 '20th':8C 'anniversary':9C 'collection':24 'demento':6C,7C 'disc':25,26 'dr':4C,5C,21,23 'entertaining':33 'europe':12 'gitarzan':1A,29,32 'mbz':15,18 'north':11 'ray':2B,16,19 'stevens':3B,14,17,20,22 'unsorted':34
                                    'tag_tracknum'  16
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['humour', 'country', 'novelty', 'comedy', 'singer songwriter']
                                        'tag_date'  1991
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330809.268781  (2021-11-19 15:06:49)
                             'size'  6420483