======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '178'
                                          'artist'  'Quantum Fantay'
                                     'text_people'  ''
                                         'release'  'From Herzberg to Livingroom'
                                           'title'  'Wais Dame Dilamp'
                                           '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'  '3'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic-space;set-pl-progspace'
                                             'bpm'  '131.841'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Track 3'
'TALB' (Album/Movie/Show title)                     'From Herzberg to Livingroom'
'TBPM' (BPM (beats per minute))                     '131.841'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-psychedelic-space', 'set-pl-progspace']
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Wais Dame Dilamp'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Quantum Fantay'
'TRCK' (Track number/Position in set)               '3'
'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: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'                        '-2.25 dB'
'TXXX:replaygain_track_peak'                        '0.496338'

========================== row from database ==========================
                                              'id'  1412444
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Quantum Fantay/2008 - From Herzberg to Living Room/CD 1/03 - Wais Dame Dilamp.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  178
                                           'genre'  rock-cppex-psychedelic-space;set-pl-progspace
                                        'filesize'  7127928
                                           'mtime'  1620736183
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 2008 Room CD 1 03 rock cppex psychedelic space;set pl progspace
                                      'tag_artist'  Quantum Fantay
                                     'tag_release'  From Herzberg to Livingroom
                                       'tag_title'  Wais Dame Dilamp
                                             'bpm'  131.841
                                    'search_title'  'dame':2 'dilamp':3 'wais':1
                                   'search_artist'  'fantay':2 'quantum':1
                                  'search_release'  'from':1 'herzberg':2 'livingroom':4 'to':3
                                     'search_rest'  '1':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'  '1':14 '2008':11 'cd':13 'classicprogpsy':10 'cppex':16 'dame':2A 'dilamp':3A 'fantay':5B 'from':6C 'herzberg':7C 'livingroom':9C 'pl':22 'progspace':23 'psychedelic':17 'quantum':4B 'rock':15 'room':12 'set':19,21 'space':18,20 'to':8C 'wais':1A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8A
                                           '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'  1620736182.641572  (2021-05-11 14:29:42)
                             'size'  7127928