======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '198'
                                          'artist'  'Simian Mobile Disco'
                                     'text_people'  ''
                                         'release'  'Attack Decay Sustain Release'
                                           'title'  'Hotdog'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'electronica', 'new rave', 'electro', 'electronic']"
                                     'discogstags'  "['electronic', 'electro']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '10'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-we-electro'
                                             'bpm'  '121.555'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00001241 00000E62 0000E13D 00009585 00022358 0001010A 00009233 00009288 '
 '0000879C 000160DB')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000009E4 0000000000855F0C 00000000 003C7178 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '10+743189CBC5ABA3E33CE74FCAA3DE4141+9033460'
'TALB' (Album/Movie/Show title)                     'Attack Decay Sustain Release'
'TBPM' (BPM (beats per minute))                     '121.555'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electro'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'iTunes v7.1.1.5'
'TIT2' (Title/songname/content description)         'Hotdog'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Simian Mobile Disco'
'TPE2' (Band/orchestra/accompaniment)               'Simian Mobile Disco'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '7/10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'electro']
'TXXX:lastfmtags'                                   ['dance', 'electronica', 'new rave', 'electro', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.66 dB'
'TXXX:replaygain_track_peak'                        '0.423795'

========================== row from database ==========================
                                              'id'  1324950
                                            'path'  /data/Music/Bulk/00poprockelectronic/Simian Mobile Disco/[2007] Attack Decay Sustain Release/07 Hotdog.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  198
                                           'genre'  electronic-we-electro
                                        'filesize'  4076876
                                           'mtime'  1621696591
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [2007] 07 electronic we electro
                                      'tag_artist'  Simian Mobile Disco
                                     'tag_release'  Attack Decay Sustain Release
                                       'tag_title'  Hotdog
                                             'bpm'  121.555
                                    'search_title'  'hotdog':1
                                   'search_artist'  'disco':3 'mobile':2 'simian':1
                                  'search_release'  'attack':1 'decay':2 'release':4 'sustain':3
                                     'search_rest'  '00poprockelectronic':1 '2007':2,3 'electro':6 'electronic':4 'we':5
                                    'search_combo'  '00poprockelectronic':9 '2007':10,11 'attack':5C 'decay':6C 'disco':4B 'electro':14 'electronic':12 'hotdog':1A 'mobile':3B 'release':8C 'simian':2B 'sustain':7C 'we':13
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'electronica', 'new rave', 'electro', 'electronic']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic', 'electro']

============================== file details ==============================
                                           'mtime'  1621696590.834813  (2021-05-22 17:16:30)
                             'size'  4076876