======================== unified (from filesystem) ========================
                                         'bitrate'  '200.686'
                                        'duration'  '378'
                                          'artist'  'Combichrist'
                                     'text_people'  ''
                                         'release'  'Everybody Hates You'
                                           'title'  'this is my life'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-4', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['ebm', 'industrial', 'dark electro', 'powernoise', 'electronic']"
                                     'discogstags'  "['electronic', 'ebm', 'techno', 'electro', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave'
                                             'bpm'  '140'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Lbl OutOfLine C:OUT176/177'
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Everybody Hates You'
'TBPM' (BPM (beats per minute))                     '140'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'Lame 3.90.3 Mod'
'TIT2' (Title/songname/content description)         'this is my life'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Combichrist'
'TPE2' (Band/orchestra/accompaniment)               'Combichrist'
'TPUB' (Publisher)                                  'Metropolis'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'ebm', 'techno', 'electro', 'ambient']
'TXXX:lastfmtags'                                   ['ebm', 'industrial', 'dark electro', 'powernoise', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.00 dB'
'TXXX:replaygain_track_peak'                        '0.438756'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3M100R74203396U248C6089A01859AA43F82806900FE754C9DP6')

========================== row from database ==========================
                                              'id'  1317803
                                            'path'  /data/Music/Bulk/00poprockelectronic/Combichrist/Everybody Hates You/Combichrist-Everybody Hates You-this is my life.mp3
                                         'working'  None
                                         'bitrate'  200
                                    'duration_sec'  378
                                           'genre'  eid-ebm or industrial or darkwave
                                        'filesize'  9508359
                                           'mtime'  1620296924
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic eid ebm or industrial or darkwave
                                      'tag_artist'  Combichrist
                                     'tag_release'  Everybody Hates You
                                       'tag_title'  this is my life
                                             'bpm'  140.0
                                    'search_title'  'is':2 'life':4 'my':3 'this':1
                                   'search_artist'  'combichrist':1
                                  'search_release'  'everybody':1 'hates':2 'you':3
                                     'search_rest'  '00poprockelectronic':1 'darkwave':6 'ebm':3 'eid':2 'industrial':5 'or':4
                                    'search_combo'  '00poprockelectronic':9 'combichrist':5B 'darkwave':14 'ebm':11 'eid':10 'everybody':6C 'hates':7C 'industrial':13 'is':2A 'life':4A 'my':3A 'or':12 'this':1A 'you':8C
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['ebm', 'industrial', 'dark electro', 'powernoise', 'electronic']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic', 'ebm', 'techno', 'electro', 'ambient']

============================== file details ==============================
                                           'mtime'  1620296924.0749485  (2021-05-06 12:28:44)
                             'size'  9508359