======================== unified (from filesystem) ========================
                                         'bitrate'  '228.414'
                                        'duration'  '444'
                                          'artist'  'Denise Donatelli'
                                     'text_people'  ''
                                         'release'  'radio jazz 13'
                                           'title'  'Like an old song'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-2', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'Q-PLAY-2', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-1', 'q-other-2', 'q-piano-3', 'q-vocals-3', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['jazz', 'female vocalists', 'vocal jazz', 'jazznuar']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '104.3'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'radio jazz 13'
'TBPM' (BPM (beats per minute))                     '104.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '2008'
'TFLT' (File type)                                  'MPG/3'
'TIT2' (Title/songname/content description)         'Like an old song'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Denise Donatelli'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '06'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['jazz', 'female vocalists', 'vocal jazz', 'jazznuar']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.73 dB'
'TXXX:replaygain_track_peak'                        '0.427264'
'USER:Cop'                                          ('yright notice. These materials are protected by United States copyright law '
 'and by international treaties. You may use these materials for your '
 'personal, non-commercial use only. You may not otherwise reproduce, '
 'distribute, publicly perform, publicly display, or create derivative works '
 'of these materials, unless authorized by the appropriate copyright owner(s).')

========================== row from database ==========================
                                              'id'  1482417
                                            'path'  /data/Music/Bulk/00poprockelectronic/radio jazz 13/Denise Donatelli - like an old song.mp3
                                         'working'  None
                                         'bitrate'  228
                                    'duration_sec'  444
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  12735636
                                           'mtime'  1620541376
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic like prerock jb unsorted
                                      'tag_artist'  Denise Donatelli
                                     'tag_release'  radio jazz 13
                                       'tag_title'  Like an old song
                                             'bpm'  104.3
                                    'search_title'  'an':2 'like':1 'old':3 'song':4
                                   'search_artist'  'denise':1 'donatelli':2
                                  'search_release'  'jazz':2 'radio':1
                                     'search_rest'  '00poprockelectronic':1 'jb':4 'like':2 'prerock':3 'unsorted':5
                                    'search_combo'  '00poprockelectronic':9 'an':2A 'denise':5B 'donatelli':6B 'jazz':8C 'jb':12 'like':1A,10 'old':3A 'prerock':11 'radio':7C 'song':4A 'unsorted':13
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-3', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-1', 'q-other-2', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  ['jazz', 'female vocalists', 'vocal jazz', 'jazznuar']
                                        'tag_date'  2008
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620541376.0827174  (2021-05-09 08:22:56)
                             'size'  12735636