======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '173'
                                          'artist'  'Tim Hecker'
                                     'text_people'  ''
                                         'release'  'Ravedeath, 1972'
                                           'title'  'The Piano Drop'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['glitch', 'drone', 'electronic', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic', 'abstract', 'noise', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '91.722'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ravedeath, 1972'
'TBPM' (BPM (beats per minute))                     '91.722'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'The Piano Drop'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tim Hecker'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'abstract', 'noise', 'experimental', 'ambient']
'TXXX:lastfmtags'                                   ['glitch', 'drone', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.25 dB'
'TXXX:replaygain_track_peak'                        '0.411729'

========================== row from database ==========================
                                              'id'  126721
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Tim Hecker/Ravedeath/01-The Piano Drop.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  173
                                           'genre'  electronic-ambient
                                        'filesize'  6962375
                                           'mtime'  1636910437
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 01 electronic ambient
                                      'tag_artist'  Tim Hecker
                                     'tag_release'  Ravedeath, 1972
                                       'tag_title'  The Piano Drop
                                             'bpm'  91.722
                                    'search_title'  'drop':3 'piano':2 'the':1
                                   'search_artist'  'hecker':2 'tim':1
                                  'search_release'  '1972':3 'ravedeath':1,2
                                     'search_rest'  'ambient':2 'electronic':1
                                    'search_combo'  '1972':8C 'ambient':10 'drop':3A 'electronic':9 'hecker':5B 'piano':2A 'ravedeath':6C,7C 'the':1A 'tim':4B
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['glitch', 'drone', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  2011
                                     'discogstags'  ['electronic', 'abstract', 'noise', 'experimental', 'ambient']

============================== file details ==============================
                                           'mtime'  1636910437.2770014  (2021-11-14 18:20:37)
                             'size'  6962375