======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '182'
                                          'artist'  'Gurdonark'
                                     'text_people'  ''
                                         'release'  'Classwar Karaoke - 0021 Survey'
                                           'title'  'Uncertainty'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'Q-PLAY-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-3', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['mercury guava lapis lazuli', 'pla5tic 3la5tik', 'creative commons', "
 "'experimental', 'ambient']")
                                     'discogstags'  "['electronic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '41'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '85'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Classwar Karaoke - 0021 Survey'
'TBPM' (BPM (beats per minute))                     '85'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TCOP' (Copyright message)                          ('Attribution-Noncommercial-Sharealike: Http: / / Creativecommons.Org / '
 'Licenses / By-Nc-Sa / 3.0 /')
'TDRC' (Recording time)                             '2013'
'TIT2' (Title/songname/content description)         'Uncertainty'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gurdonark'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '41'
'TXXX:Access Rating'                                '10'
'TXXX:Dynamic Range (DR)'                           '14'
'TXXX:Dynamic Range (R128)'                         '7.9285597801208496'
'TXXX:Peak Level (R128)'                            '-3.2 dBTP; -3.2 Left; -3.2 Right'
'TXXX:Peak Level (Sample)'                          '-3.3 dB; -3.3 Left; -3.3 Right'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tool Name'                                    'Media Center'
'TXXX:Tool Version'                                 '20.0.131'
'TXXX:Volume Level (R128)'                          '-2.4332699775695801'
'TXXX:Volume Level (ReplayGain)'                    '2.5667300224304199'
'TXXX:discogstags'                                  ['electronic', 'ambient']
'TXXX:lastfmtags'                                   ['mercury guava lapis lazuli',
 'pla5tic 3la5tik',
 'creative commons',
 'experimental',
 'ambient']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.95 dB'
'TXXX:replaygain_track_peak'                        '1.156628'

========================== row from database ==========================
                                              'id'  1383037
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Various - Classwar Karaoke - 0021 Survey/41 - Gurdonark - Uncertainty.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  182
                                           'genre'  electronic
                                        'filesize'  7363397
                                           'mtime'  1636912803
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Various 41 electronic
                                      'tag_artist'  Gurdonark
                                     'tag_release'  Classwar Karaoke - 0021 Survey
                                       'tag_title'  Uncertainty
                                             'bpm'  85.0
                                    'search_title'  'uncertainty':1
                                   'search_artist'  'gurdonark':1
                                  'search_release'  'classwar':1 'karaoke':2 'survey':3
                                     'search_rest'  '41':2 'electronic':3 'various':1
                                    'search_combo'  '41':7 'classwar':3C 'electronic':8 'gurdonark':2B 'karaoke':4C 'survey':5C 'uncertainty':1A 'various':6
                                    'tag_tracknum'  41
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['mercury guava lapis lazuli', 'pla5tic 3la5tik', 'creative commons', 'experimental', 'ambient']
                                        'tag_date'  2013
                                     'discogstags'  ['electronic', 'ambient']

============================== file details ==============================
                                           'mtime'  1636912802.7800736  (2021-11-14 19:00:02)
                             'size'  7363397