======================== unified (from filesystem) ========================
                                         'bitrate'  '159.953'
                                        'duration'  '79'
                                          'artist'  'Joe Satriani'
                                     'text_people'  ''
                                         'release'  'Flying in a Blue Dream'
                                           'title'  'The Bells of Lal, Part 1'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
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 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'guitar', 'guitar virtuoso', 'instrumental rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '18'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'rock-instrumental'
                                             'bpm'  '137'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Flying in a Blue Dream'
'TBPM' (BPM (beats per minute))                     '137'
'TCON' (Content type, a.k.a. Genre)                 'rock-instrumental'
'TDOR' (Original release time)                      '1989'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'The Bells of Lal, Part 1'
'TKEY' (Initial key)                                '2A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Joe Satriani'
'TPE2' (Band/orchestra/accompaniment)               'Joe Satriani'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'N.E.W Musidisc/Food for Thought'
'TRCK' (Track number/Position in set)               '16/18'
'TSO2'                                              'Satriani, Joe'
'TSOP' (Performer sort order)                       'Satriani, Joe'
'TSRC' (ISRC (international standard recording code))  'USSM18900138'
'TXXX:Artists'                                      'Joe Satriani'
'TXXX:BARCODE'                                      '3229261046726'
'TXXX:CATALOGNUMBER'                                '104672/[none]'
'TXXX:MusicBrainz Album Artist Id'                  '29762c82-bb92-4acd-b1fb-09cc4da250d2'
'TXXX:MusicBrainz Album Id'                         'd5070978-2b25-422d-a23c-be89686a9c6c'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '29762c82-bb92-4acd-b1fb-09cc4da250d2'
'TXXX:MusicBrainz Release Group Id'                 'e19b2146-1ea9-31f3-8a51-65e2c7fbe29b'
'TXXX:MusicBrainz Release Track Id'                 '47965cef-03ed-4cf8-98a9-492755146c42'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['instrumental', 'guitar', 'guitar virtuoso', 'instrumental rock', 'rock']
'TXXX:originalyear'                                 '1989'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.21 dB'
'TXXX:replaygain_track_peak'                        '0.368732'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4105cf37-bcc7-4e4d-8ac2-4ccdcabf77f3')

========================== row from database ==========================
                                              'id'  1487462
                                            'path'  /data/Music/Bulk/00poprockelectronic/Joe Satriani/Flying in a Blue Dream/16 - The Bells of Lal (Part 1).mp3
                                         'working'  None
                                         'bitrate'  159
                                    'duration_sec'  79
                                           'genre'  rock-instrumental
                                        'filesize'  1640569
                                           'mtime'  1636917952
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 16 (Part 1) rock instrumental
                                      'tag_artist'  Joe Satriani
                                     'tag_release'  Flying in a Blue Dream
                                       'tag_title'  The Bells of Lal, Part 1
                                             'bpm'  137.0
                                    'search_title'  '1':7 'bells':2 'lal':4,5 'of':3 'part':6 'the':1
                                   'search_artist'  'joe':1 'satriani':2
                                  'search_release'  'a':3 'blue':4 'dream':5 'flying':1 'in':2
                                     'search_rest'  '00poprockelectronic':1 '1':4,5 'instrumental':7 'part':2,3 'rock':6
                                    'search_combo'  '00poprockelectronic':15 '1':7A,18,19 'a':12C 'bells':2A 'blue':13C 'dream':14C 'flying':10C 'in':11C 'instrumental':21 'joe':8B 'lal':4A,5A 'of':3A 'part':6A,16,17 'rock':20 'satriani':9B 'the':1A
                                    'tag_tracknum'  16
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'guitar', 'guitar virtuoso', 'instrumental rock', 'rock']
                                        'tag_date'  1989
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636917952.3985124  (2021-11-14 20:25:52)
                             'size'  1640569