======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '490'
                                          'artist'  'Tim Ries'
                                     'text_people'  ''
                                         'release'  'radio jazz 13'
                                           'title'  'First Three'
                                           '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-3', "
 "'Q-CHART-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['jazz', 'saxophone', 'rolling stones cover', 'stonedbeat']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '134.3'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'radio jazz 13'
'TBPM' (BPM (beats per minute))                     '134.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'First Three'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tim Ries'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '3'
'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'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['jazz', 'saxophone', 'rolling stones cover', 'stonedbeat']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.85 dB'
'TXXX:replaygain_track_peak'                        '1.019488'

========================== row from database ==========================
                                              'id'  1482264
                                            'path'  /data/Music/Bulk/00poprockelectronic/radio jazz 13/Tim Ries - first three.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  490
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  19620218
                                           'mtime'  1620541576
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic first three prerock jb unsorted
                                      'tag_artist'  Tim Ries
                                     'tag_release'  radio jazz 13
                                       'tag_title'  First Three
                                             'bpm'  134.3
                                    'search_title'  'first':1 'three':2
                                   'search_artist'  'ries':2 'tim':1
                                  'search_release'  'jazz':2 'radio':1
                                     'search_rest'  '00poprockelectronic':1 'first':2 'jb':5 'prerock':4 'three':3 'unsorted':6
                                    'search_combo'  '00poprockelectronic':7 'first':1A,8 'jazz':6C 'jb':11 'prerock':10 'radio':5C 'ries':4B 'three':2A,9 'tim':3B 'unsorted':12
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3']
                                      'lastfmtags'  ['jazz', 'saxophone', 'rolling stones cover', 'stonedbeat']
                                        'tag_date'  1998
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620541576.0412712  (2021-05-09 08:26:16)
                             'size'  19620218