======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '157'
                                          'artist'  'Klaus Wunderlich'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Corn-Flakes'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'hammond organ', 'hammond heaven', 'organ', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'mi-earlysynth-organ;entertaining-why do i keep this'
                                             'bpm'  '138.987'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '138.987'
'TCON' (Content type, a.k.a. Genre)                 ['mi-earlysynth-organ', 'entertaining-why do i keep this']
'TIT2' (Title/songname/content description)         'Corn-Flakes'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Klaus Wunderlich'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf52.111.0'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:audiodatarate'                                '109'
'TXXX:bytelength'                                   '3925850'
'TXXX:canseekontime'                                'true'
'TXXX:duration'                                     '157'
'TXXX:framerate'                                    '30'
'TXXX:height'                                       '240'
'TXXX:lastfmtags'                                   ['lounge', 'hammond organ', 'hammond heaven', 'organ', 'easy listening']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.04 dB'
'TXXX:replaygain_track_peak'                        '0.727135'
'TXXX:sourcedata'                                   'B4A7D6482HH1339854061036771'
'TXXX:starttime'                                    '0'
'TXXX:totaldatarate'                                '199'
'TXXX:totalduration'                                '157'
'TXXX:videodatarate'                                '81'
'TXXX:width'                                        '320'

========================== row from database ==========================
                                              'id'  949074
                                            'path'  /data/Music/Bulk/sns/Klaus Wunderlich - Corn-Flakes.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  157
                                           'genre'  mi-earlysynth-organ;entertaining-why do i keep this
                                        'filesize'  5058560
                                           'mtime'  1620528070
                                   'redo_metaread'  0
                                        'rest_str'   sns mi earlysynth organ;entertaining why do keep this
                                      'tag_artist'  Klaus Wunderlich
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Corn-Flakes
                                             'bpm'  138.987
                                    'search_title'  'corn':1 'cornflakes':3 'flakes':2
                                   'search_artist'  'klaus':1 'wunderlich':2
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'do':9 'earlysynth':3 'entertaining':5,7 'keep':10 'mi':2 'organ':4,6 'sns':1 'this':11 'why':8
                                    'search_combo'  'corn':1A 'cornflakes':3A 'do':16 'earlysynth':10 'entertaining':12,14 'flakes':2A 'keep':17 'klaus':4B 'mi':9 'organ':11,13 'shirley':6C 'sns':8 'spinoza':7C 'this':18 'why':15 'wunderlich':5B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'hammond organ', 'hammond heaven', 'organ', 'easy listening']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528070.110815  (2021-05-09 04:41:10)
                             'size'  5058560