======================== unified (from filesystem) ========================
                                         'bitrate'  '247.797'
                                        'duration'  '431'
                                          'artist'  'Lamp Of The Universe'
                                     'text_people'  ''
                                         'release'  'The Cosmic Union'
                                           'title'  'By the Grace of Love'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'Q-PLAY-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['psychedelic folk', 'acid folk', 'space rock', 'psychedelic rock', "
 "'psychedelic']")
                                     'discogstags'  "['psychedelic rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  '09'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '84.1'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Cosmic Union'
'TBPM' (BPM (beats per minute))                     '84.1'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'By the Grace of Love'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lamp Of The Universe'
'TPE2' (Band/orchestra/accompaniment)               'Lamp Of The Universe'
'TRCK' (Track number/Position in set)               '09/09'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['psychedelic rock', 'rock']
'TXXX:lastfmtags'                                   ['psychedelic folk',
 'acid folk',
 'space rock',
 'psychedelic rock',
 'psychedelic']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.21 dB'
'TXXX:replaygain_track_peak'                        '0.371067'

========================== row from database ==========================
                                              'id'  1410138
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Lamp of the Universe - Trip Hill Split - Lamp Of The Universe/(2001) The Cosmic Union/09. By the Grace of Love.mp3
                                         'working'  None
                                         'bitrate'  247
                                    'duration_sec'  431
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  13487332
                                           'mtime'  1620736453
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Trip Hill Split (2001) 09. rock cppex psychedelic
                                      'tag_artist'  Lamp Of The Universe
                                     'tag_release'  The Cosmic Union
                                       'tag_title'  By the Grace of Love
                                             'bpm'  84.1
                                    'search_title'  'by':1 'grace':3 'love':5 'of':4 'the':2
                                   'search_artist'  'lamp':1 'of':2 'the':3 'universe':4
                                  'search_release'  'cosmic':2 'the':1 'union':3
                                     'search_rest'  '09':7,8 '2001':5,6 'classicprogpsy':1 'cppex':10 'hill':3 'psychedelic':11 'rock':9 'split':4 'trip':2
                                    'search_combo'  '09':19,20 '2001':17,18 'by':1A 'classicprogpsy':13 'cosmic':11C 'cppex':22 'grace':3A 'hill':15 'lamp':6B 'love':5A 'of':4A,7B 'psychedelic':23 'rock':21 'split':16 'the':2A,8B,10C 'trip':14 'union':12C 'universe':9B
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic folk', 'acid folk', 'space rock', 'psychedelic rock', 'psychedelic']
                                        'tag_date'  2001
                                     'discogstags'  ['psychedelic rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620736452.9685657  (2021-05-11 14:34:12)
                             'size'  13487332