======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '136'
                                          'artist'  'Blectum From Blechdom'
                                     'text_people'  ''
                                         'release'  'Snauses And Mallards'
                                           'title'  'Machete'
                                           '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-1', 'q-piano-1', 'q-vocals-2', "
 "'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'  '94.0'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Snauses And Mallards'
'TBPM' (BPM (beats per minute))                     '94.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-glitch'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Machete'
'TKEY' (Initial key)                                '1A'
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.77 dB'
'TXXX:replaygain_track_peak'                        '0.591543'

========================== row from database ==========================
                                              'id'  985763
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Epitonic abstract/Blectum From Blechdom-Machete.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  136
                                           'genre'  electronic-experimental-glitch
                                        'filesize'  2180992
                                           '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'  Machete
                                             'bpm'  94.0
                                    'search_title'  'machete':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':9 'and':6C 'blechdom':4B 'blectum':2B 'electronic':10 'epitonic':8 'experimental':11 'from':3B 'glitch':12 'machete':1A 'mallards':7C 'snauses':5C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['glitch', 'noise', 'idm', 'electronic', 'experimental']
                                        'tag_date'  2001
                                     'discogstags'  ['idm', 'electronic']

============================== file details ==============================
                                           'mtime'  1636136115.5654552  (2021-11-05 19:15:15)
                             'size'  2180992