======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '452'
                                          'artist'  'Quantum Fantay'
                                     'text_people'  ''
                                         'release'  'From Herzberg to Livingroom'
                                           'title'  'Niek Shlut'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['instrumental', 'psychedelic rock', 'space rock', 'progressive rock', "
 "'psychedelic']")
                                     'discogstags'  "['prog rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '5'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic-space;set-pl-progspace'
                                             'bpm'  '127.284'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'From Herzberg to Livingroom'
'TBPM' (BPM (beats per minute))                     '127.284'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-psychedelic-space', 'set-pl-progspace']
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Ñêîðîñòíîé ðåæèì)'
'TIT2' (Title/songname/content description)         'Niek Shlut'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Quantum Fantay'
'TPE2' (Band/orchestra/accompaniment)               'Quantum Fantay'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'Herzberg Verlags-GmbH'
'TRCK' (Track number/Position in set)               '2/5'
'TSO2'                                              'Quantum Fantay'
'TSOP' (Performer sort order)                       'Quantum Fantay'
'TXXX:ASIN'                                         'B0014DL3BM'
'TXXX:BARCODE'                                      '707787221924'
'TXXX:CATALOGNUMBER'                                'v-hb-019'
'TXXX:MusicBrainz Album Artist Id'                  '666a2bc6-0de8-4e0a-846e-0456b2d27566'
'TXXX:MusicBrainz Album Id'                         '4fb38062-f024-40b5-b723-9c88c0053391'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'live'
'TXXX:MusicBrainz Artist Id'                        '666a2bc6-0de8-4e0a-846e-0456b2d27566'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['prog rock', 'rock']
'TXXX:lastfmtags'                                   ['instrumental',
 'psychedelic rock',
 'space rock',
 'progressive rock',
 'psychedelic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.36 dB'
'TXXX:replaygain_track_peak'                        '0.427149'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd5f1bb9f-1e32-446b-b7f2-3692a57a3530')

========================== row from database ==========================
                                              'id'  1411892
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Quantum Fantay/2008 - From Herzberg to Living Room/CD 2/02 - Niek Shlut.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  452
                                           'genre'  rock-cppex-psychedelic-space;set-pl-progspace
                                        'filesize'  18125062
                                           'mtime'  1620736188
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 2008 Room CD 2 02 rock cppex psychedelic space;set pl progspace
                                      'tag_artist'  Quantum Fantay
                                     'tag_release'  From Herzberg to Livingroom
                                       'tag_title'  Niek Shlut
                                             'bpm'  127.284
                                    'search_title'  'niek':1 'shlut':2
                                   'search_artist'  'fantay':2 'quantum':1
                                  'search_release'  'from':1 'herzberg':2 'livingroom':4 'to':3
                                     'search_rest'  '2':5 '2008':2 'cd':4 'classicprogpsy':1 'cppex':7 'pl':13 'progspace':14 'psychedelic':8 'rock':6 'room':3 'set':10,12 'space':9,11
                                    'search_combo'  '2':13 '2008':10 'cd':12 'classicprogpsy':9 'cppex':15 'fantay':4B 'from':5C 'herzberg':6C 'livingroom':8C 'niek':1A 'pl':21 'progspace':22 'psychedelic':16 'quantum':3B 'rock':14 'room':11 'set':18,20 'shlut':2A 'space':17,19 'to':7C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['instrumental', 'psychedelic rock', 'space rock', 'progressive rock', 'psychedelic']
                                        'tag_date'  2008
                                     'discogstags'  ['prog rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620736188.4461777  (2021-05-11 14:29:48)
                             'size'  18125062