======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '327'
                                          'artist'  'Metro'
                                     'text_people'  ''
                                         'release'  'Progsoup 24'
                                           'title'  'Metro - 01 Criminal world'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['polish', 'jazz', 'hip hop', 'jazz fusion', 'rap']"
                                     'discogstags'  "['house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '55'
                                      'tracktotal'  '10'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '114.738'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:Comment:XXX'                                  'snowpointlynxfleet001'
'COMM:ID3v1 Comment:XXX'                            'snowpointlynxfleet001'
'TALB' (Album/Movie/Show title)                     'Progsoup 24'
'TBPM' (BPM (beats per minute))                     '114.738'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Metro - 01 Criminal world'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Metro'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '55/10'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.97, 320 Kbit/s, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['house', 'electronic']
'TXXX:lastfmtags'                                   ['polish', 'jazz', 'hip hop', 'jazz fusion', 'rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.03 dB'
'TXXX:replaygain_track_peak'                        '0.752399'

========================== row from database ==========================
                                              'id'  1410092
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 24/1386 metro  - criminal world.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  327
                                           'genre'  rock-cppex-progressive
                                        'filesize'  13085547
                                           'mtime'  1620736951
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 1386 metro criminal rock cppex progressive
                                      'tag_artist'  Metro
                                     'tag_release'  Progsoup 24
                                       'tag_title'  Metro - 01 Criminal world
                                             'bpm'  114.738
                                    'search_title'  'criminal':2 'metro':1 'world':3
                                   'search_artist'  'metro':1
                                  'search_release'  '24':2 'progsoup':1
                                     'search_rest'  '1386':3 'classicprogpsy':1 'cppex':7 'criminal':5 'metro':4 'progressive':8 'progsoup':2 'rock':6
                                    'search_combo'  '1386':9 '24':6C 'classicprogpsy':7 'cppex':13 'criminal':2A,11 'metro':1A,4B,10 'progressive':14 'progsoup':5C,8 'rock':12 'world':3A
                                    'tag_tracknum'  55
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['polish', 'jazz', 'hip hop', 'jazz fusion', 'rap']
                                        'tag_date'  1975
                                     'discogstags'  ['house', 'electronic']

============================== file details ==============================
                                           'mtime'  1620736951.2179627  (2021-05-11 14:42:31)
                             'size'  13085547