<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '88'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  'Something Weird Audio Volume 2'
                                           'title'  'kathy catches her mom'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-UNU-3', 'q-syn-2', 'q-bass-1', '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-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '102.957'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f95382f1fd0>

'APIC:'                                             type PictureType.OTHER (Other) b''<br/>                                     <img style="width:150px" src="image?fid=1388155"/>
'TALB' (Album/Movie/Show title)                     'Something Weird Audio Volume 2'
'TBPM' (BPM (beats per minute))                     '102.957'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2013'
'TIT2' (Title/songname/content description)         'kathy catches her mom'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '88032'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '17'
'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:q-bass'                                       '1'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.87 dB'
'TXXX:replaygain_track_peak'                        '0.599839'

========================== row from database ==========================
                                              'id'  1388155
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - Something Weird Audio Vol. 2/17. kathy catches her mom.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  88
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  1411360
                                           'mtime'  1636916558
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va Vol. 17. electronic experimental oddness
                                      'tag_artist'  None
                                     'tag_release'  Something Weird Audio Volume 2
                                       'tag_title'  kathy catches her mom
                                             'bpm'  102.957
                                    'search_title'  'catches':2 'her':3 'kathy':1 'mom':4
                                   'search_artist'  None
                                  'search_release'  '2':5 'audio':3 'something':1 'volume':4 'weird':2
                                     'search_rest'  '17':4,5 'electronic':6 'experimental':7 'oddness':8 'va':1 'vol':2,3
                                    'search_combo'  '17':13,14 '2':9C 'audio':7C 'catches':2A 'electronic':15 'experimental':16 'her':3A 'kathy':1A 'mom':4A 'oddness':17 'something':5C 'va':10 'vol':11,12 'volume':8C 'weird':6C
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2013
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916557.9416459  (2021-11-14 20:02:37)
                             'size'  1411360