======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '242'
                                          'artist'  'Full Load Of King'
                                     'text_people'  ''
                                         'release'  'Elevator To The Gallows'
                                           'title'  'Envelope Infrared - Part 1'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['test', 'alternative', 'wacky']"
                                     'discogstags'  "['dark ambient', 'drone', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '143.3'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Elevator To The Gallows'
'TBPM' (BPM (beats per minute))                     '143.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Envelope Infrared - Part 1'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Full Load Of King'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['dark ambient', 'drone', 'electronic']
'TXXX:lastfmtags'                                   ['test', 'alternative', 'wacky']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.52 dB'
'TXXX:replaygain_track_peak'                        '0.871410'

========================== row from database ==========================
                                              'id'  1373166
                                            'path'  /data/Music/Bulk/00poprockelectronic/Full Load Of King - 2005 - elevator to the gallows/05_envelope-infrared_part-1.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  242
                                           'genre'  electronic-unsorted
                                        'filesize'  3889081
                                           'mtime'  1638544783
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2005 elevator the gallows 05_envelope infrared_part electronic unsorted
                                      'tag_artist'  Full Load Of King
                                     'tag_release'  Elevator To The Gallows
                                       'tag_title'  Envelope Infrared - Part 1
                                             'bpm'  143.3
                                    'search_title'  '1':4 'envelope':1 'infrared':2 'part':3
                                   'search_artist'  'full':1 'king':4 'load':2 'of':3
                                  'search_release'  'elevator':1 'gallows':4 'the':3 'to':2
                                     'search_rest'  '00poprockelectronic':1 '05':6 '2005':2 'electronic':10 'elevator':3 'envelope':7 'gallows':5 'infrared':8 'part':9 'the':4 'unsorted':11
                                    'search_combo'  '00poprockelectronic':13 '05':18 '1':4A '2005':14 'electronic':22 'elevator':9C,15 'envelope':1A,19 'full':5B 'gallows':12C,17 'infrared':2A,20 'king':8B 'load':6B 'of':7B 'part':3A,21 'the':11C,16 'to':10C 'unsorted':23
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['test', 'alternative', 'wacky']
                                        'tag_date'  2005
                                     'discogstags'  ['dark ambient', 'drone', 'electronic']

============================== file details ==============================
                                           'mtime'  1638544782.9808996  (2021-12-03 16:19:42)
                             'size'  3889081