======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '276'
                                          'artist'  'Bit Shifter'
                                     'text_people'  ''
                                         'release'  'Information Chase'
                                           'title'  'The Information Chase'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['8 bit', 'bitpop', 'chiptune', '8bit', 'electronic']"
                                     'discogstags'  "['electronic', 'chiptune']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico;set-pl-sced'
                                             'bpm'  '123.8'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000005E4 0000058C 0000118A 000010CE 00009C57 00009C57 00007AD2 00007407 '
 '0001ADF5 0001ADF5')
'TALB' (Album/Movie/Show title)                     'Information Chase'
'TBPM' (BPM (beats per minute))                     '123.8'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-beeps or chip or pico', 'set-pl-sced']
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'iTunes v4.9'
'TIT2' (Title/songname/content description)         'The Information Chase'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bit Shifter'
'TPE2' (Band/orchestra/accompaniment)               'Bit Shifter'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '6'
'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', 'chiptune']
'TXXX:lastfmtags'                                   ['8 bit', 'bitpop', 'chiptune', '8bit', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.19 dB'
'TXXX:replaygain_track_peak'                        '0.616498'

========================== row from database ==========================
                                              'id'  1379675
                                            'path'  /data/Music/Bulk/00poprockelectronic/00beepy/Bit Shifter/[2006] Information Chase/06 The Information Chase.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  276
                                           'genre'  electronic-we-beeps or chip or pico;set-pl-sced
                                        'filesize'  6640566
                                           'mtime'  1621705479
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00beepy [2006] 06 electronic we beeps chip pico;set pl sced
                                      'tag_artist'  Bit Shifter
                                     'tag_release'  Information Chase
                                       'tag_title'  The Information Chase
                                             'bpm'  123.8
                                    'search_title'  'chase':3 'information':2 'the':1
                                   'search_artist'  'bit':1 'shifter':2
                                  'search_release'  'chase':2 'information':1
                                     'search_rest'  '00beepy':2 '00poprockelectronic':1 '2006':3,4 'beeps':7 'chip':8 'electronic':5 'pico':9,11 'pl':13 'sced':14 'set':10,12 'we':6
                                    'search_combo'  '00beepy':9 '00poprockelectronic':8 '2006':10,11 'beeps':14 'bit':4B 'chase':3A,7C 'chip':15 'electronic':12 'information':2A,6C 'pico':16,18 'pl':20 'sced':21 'set':17,19 'shifter':5B 'the':1A 'we':13
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['8 bit', 'bitpop', 'chiptune', '8bit', 'electronic']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'chiptune']

============================== file details ==============================
                                           'mtime'  1621705478.791728  (2021-05-22 19:44:38)
                             'size'  6640566