======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '233'
                                          'artist'  'Blectum From Blechdom'
                                     'text_people'  ''
                                         'release'  'Snauses And Mallards'
                                           'title'  'Santa Clara'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['glitch', 'noise', 'idm', 'electronic', 'experimental']"
                                     'discogstags'  "['idm', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch'
                                             'bpm'  '93.9'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Snauses And Mallards'
'TBPM' (BPM (beats per minute))                     '93.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-glitch'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Santa Clara'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Blectum From Blechdom'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  ['idm', 'electronic']
'TXXX:lastfmtags'                                   ['glitch', 'noise', 'idm', 'electronic', 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.67 dB'
'TXXX:replaygain_track_peak'                        '0.325922'

========================== row from database ==========================
                                              'id'  985684
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Epitonic abstract/Blectum From Blechdom-Santa Clara.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  233
                                           'genre'  electronic-experimental-glitch
                                        'filesize'  3735424
                                           'mtime'  1636136116
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Epitonic abstract electronic experimental glitch
                                      'tag_artist'  Blectum From Blechdom
                                     'tag_release'  Snauses And Mallards
                                       'tag_title'  Santa Clara
                                             'bpm'  93.9
                                    'search_title'  'clara':2 'santa':1
                                   'search_artist'  'blechdom':3 'blectum':1 'from':2
                                  'search_release'  'and':2 'mallards':3 'snauses':1
                                     'search_rest'  'abstract':2 'electronic':3 'epitonic':1 'experimental':4 'glitch':5
                                    'search_combo'  'abstract':10 'and':7C 'blechdom':5B 'blectum':3B 'clara':2A 'electronic':11 'epitonic':9 'experimental':12 'from':4B 'glitch':13 'mallards':8C 'santa':1A 'snauses':6C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['glitch', 'noise', 'idm', 'electronic', 'experimental']
                                        'tag_date'  2001
                                     'discogstags'  ['idm', 'electronic']

============================== file details ==============================
                                           'mtime'  1636136115.5834835  (2021-11-05 19:15:15)
                             'size'  3735424