======================== unified (from filesystem) ========================
                                         'bitrate'  '149.65'
                                        'duration'  '244'
                                          'artist'  'Joe Satriani'
                                     'text_people'  ''
                                         'release'  'Not of This Earth'
                                           'title'  'Not of This Earth'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'guitar', 'guitar virtuoso', 'instrumental rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '10'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'rock-instrumental'
                                             'bpm'  '111'
                                             'key'  '3A'
                                        'acoustid'  '83a1927b-b784-4c0e-a4ac-8c407bc7f048'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Not of This Earth'
'TBPM' (BPM (beats per minute))                     '111'
'TCON' (Content type, a.k.a. Genre)                 'rock-instrumental'
'TDOR' (Original release time)                      '1986'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Not of This Earth'
'TKEY' (Initial key)                                '3A'
'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)                                  'Sony Music'
'TRCK' (Track number/Position in set)               '1/10'
'TSO2'                                              'Satriani, Joe'
'TSOP' (Performer sort order)                       'Satriani, Joe'
'TSRC' (ISRC (international standard recording code))  'USSM18600122'
'TXXX:ASIN'                                         'B000002BWF'
'TXXX:Acoustid Id'                                  '83a1927b-b784-4c0e-a4ac-8c407bc7f048'
'TXXX:Artists'                                      'Joe Satriani'
'TXXX:BARCODE'                                      '074646802526'
'TXXX:CATALOGNUMBER'                                '88697304702CD1'
'TXXX:MusicBrainz Album Artist Id'                  '29762c82-bb92-4acd-b1fb-09cc4da250d2'
'TXXX:MusicBrainz Album Id'                         '03cd5134-b234-372d-b41f-6b228bbd531b'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '29762c82-bb92-4acd-b1fb-09cc4da250d2'
'TXXX:MusicBrainz Release Group Id'                 '502594f4-0502-3976-a2ca-075a9cb7cb8f'
'TXXX:MusicBrainz Release Track Id'                 '8346497a-525e-3e2a-8de1-c145ba5a74fd'
'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'                                 '1986'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.09 dB'
'TXXX:replaygain_track_peak'                        '0.750794'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'9a7502cc-c596-4aec-8e17-75ed537227e2')

========================== row from database ==========================
                                              'id'  1487477
                                            'path'  /data/Music/Bulk/00poprockelectronic/Joe Satriani/NotE/01 - Not Of This Earth.mp3
                                         'working'  None
                                         'bitrate'  149
                                    'duration_sec'  244
                                           'genre'  rock-instrumental
                                        'filesize'  4632032
                                           'mtime'  1620390631
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic NotE 01 Of rock instrumental
                                      'tag_artist'  Joe Satriani
                                     'tag_release'  Not of This Earth
                                       'tag_title'  Not of This Earth
                                             'bpm'  111.0
                                    'search_title'  'earth':4 'not':1 'of':2 'this':3
                                   'search_artist'  'joe':1 'satriani':2
                                  'search_release'  'earth':4 'not':1 'of':2 'this':3
                                     'search_rest'  '00poprockelectronic':1 'e':7 'instrumental':5 'not':6 'note':2 'of':3 'rock':4
                                    'search_combo'  '00poprockelectronic':11 'e':17 'earth':4A,10C 'instrumental':15 'joe':5B 'not':1A,7C,16 'note':12 'of':2A,8C,13 'rock':14 'satriani':6B 'this':3A,9C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'guitar', 'guitar virtuoso', 'instrumental rock', 'rock']
                                        'tag_date'  1997
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620390630.7063303  (2021-05-07 14:30:30)
                             'size'  4632032