======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '289'
                                          'artist'  'LCD Soundsystem'
                                     'text_people'  ''
                                         'release'  'LCD Soundsystem'
                                           'title'  "Never As Tired As When I'm Waking Up"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'dance', 'alternative', 'electronica', 'electronic']"
                                     'discogstags'  "['electronic', 'leftfield', 'electro', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '125.8'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000CB1 00000C60 00009B99 00009938 000314AC 000314AC 00008906 00008798 '
 '0003B492 00002334')
'TALB' (Album/Movie/Show title)                     'LCD Soundsystem'
'TBPM' (BPM (beats per minute))                     '125.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'iTunes v4.5.0.31'
'TIT2' (Title/songname/content description)         "Never As Tired As When I'm Waking Up"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'LCD Soundsystem'
'TRCK' (Track number/Position in set)               '05'
'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', 'leftfield', 'electro', 'disco']
'TXXX:lastfmtags'                                   ['indie', 'dance', 'alternative', 'electronica', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.53 dB'
'TXXX:replaygain_track_peak'                        '0.481259'

========================== row from database ==========================
                                              'id'  1498057
                                            'path'  /data/Music/Bulk/00poprockelectronic/LCD soundsystem/LCD Soundsystem_/05 - Lcd Soundsystem - Never As Tired As When I_m Waking Up.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  289
                                           'genre'  electronic-unsorted
                                        'filesize'  6980604
                                           'mtime'  1621696324
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic soundsystem Soundsystem_ 05 Lcd I_m electronic unsorted
                                      'tag_artist'  LCD Soundsystem
                                     'tag_release'  LCD Soundsystem
                                       'tag_title'  Never As Tired As When I'm Waking Up
                                             'bpm'  125.8
                                    'search_title'  'as':2 'i':5 'im':7 'm':6 'never':1 'tired':3 'up':9 'waking':8 'when':4
                                   'search_artist'  'lcd':1 'soundsystem':2
                                  'search_release'  'lcd':1 'soundsystem':2
                                     'search_rest'  '00poprockelectronic':1 'electronic':7 'i':5 'lcd':4 'm':6 'soundsystem':2,3 'unsorted':8
                                    'search_combo'  '00poprockelectronic':14 'as':2A 'electronic':20 'i':5A,18 'im':7A 'lcd':10B,12C,17 'm':6A,19 'never':1A 'soundsystem':11B,13C,15,16 'tired':3A 'unsorted':21 'up':9A 'waking':8A 'when':4A
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'dance', 'alternative', 'electronica', 'electronic']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic', 'leftfield', 'electro', 'disco']

============================== file details ==============================
                                           'mtime'  1621696324.2404256  (2021-05-22 17:12:04)
                             'size'  6980604