======================== unified (from filesystem) ========================
                                         'bitrate'  '212.335'
                                        'duration'  '175'
                                          'artist'  'Underworld'
                                     'text_people'  ''
                                         'release'  'Second Toughest in the Infants'
                                           'title'  'Blueski'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'dance', 'techno', 'electronic', 'trance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '8'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno;electronic-th-trance'
                                             'bpm'  '134'
                                             'key'  '6B'
                                        'acoustid'  '46ee56ed-f411-4589-b597-0ddaa1f892df'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Second Toughest in the Infants'
'TBPM' (BPM (beats per minute))                     '134'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-th-techno', 'electronic-th-trance']
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996-05-22'
'TIT2' (Title/songname/content description)         'Blueski'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Underworld'
'TPE2' (Band/orchestra/accompaniment)               'Underworld'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  "Junior Boy's Own"
'TRCK' (Track number/Position in set)               '7/8'
'TSO2'                                              'Underworld'
'TSOP' (Performer sort order)                       'Underworld'
'TSRC' (ISRC (international standard recording code))  'DEC689600072'
'TXXX:ASIN'                                         'B00005G8ZQ'
'TXXX:Acoustid Id'                                  '46ee56ed-f411-4589-b597-0ddaa1f892df'
'TXXX:Artists'                                      'Underworld'
'TXXX:CATALOGNUMBER'                                'SRCS 8031/SRCS 8032'
'TXXX:MusicBrainz Album Artist Id'                  'ba2f4f3b-0293-4bc8-bb94-2f73b5207343'
'TXXX:MusicBrainz Album Id'                         'ff290389-1eff-449c-9998-66a7c997293f'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'ba2f4f3b-0293-4bc8-bb94-2f73b5207343'
'TXXX:MusicBrainz Release Group Id'                 'c0b6864a-9de7-3a2e-897b-e07919cab0e4'
'TXXX:MusicBrainz Release Track Id'                 'ab75b578-cbcb-3845-8142-8ee3ff6ba132'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['electronica', 'dance', 'techno', 'electronic', 'trance']
'TXXX:originalyear'                                 '1996'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.84 dB'
'TXXX:replaygain_track_peak'                        '0.895505'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd1d16650-469e-4bb0-8090-a4615473f5c4')

========================== row from database ==========================
                                              'id'  1355501
                                            'path'  /data/Music/Bulk/00poprockelectronic/Underworld/Second Toughest in the Infants/Underworld - Second Toughest in the Infants - 07 - Blueski.mp3
                                         'working'  None
                                         'bitrate'  212
                                    'duration_sec'  175
                                           'genre'  electronic-th-techno;electronic-th-trance
                                        'filesize'  4694635
                                           'mtime'  1620572466
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 07 electronic techno;electronic trance
                                      'tag_artist'  Underworld
                                     'tag_release'  Second Toughest in the Infants
                                       'tag_title'  Blueski
                                             'bpm'  134.0
                                    'search_title'  'blueski':1
                                   'search_artist'  'underworld':1
                                  'search_release'  'in':3 'infants':5 'second':1 'the':4 'toughest':2
                                     'search_rest'  '00poprockelectronic':1 'electronic':2,4,6 'techno':3,5 'trance':7
                                    'search_combo'  '00poprockelectronic':8 'blueski':1A 'electronic':9,11,13 'in':5C 'infants':7C 'second':3C 'techno':10,12 'the':6C 'toughest':4C 'trance':14 'underworld':2B
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'q-syn-4', 'q-chart-4', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'dance', 'techno', 'electronic', 'trance']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572465.9252155  (2021-05-09 17:01:05)
                             'size'  4694635