======================== unified (from filesystem) ========================
                                         'bitrate'  '217.115'
                                        'duration'  '690'
                                          'artist'  'Duke Ellington and His Orchestra'
                                     'text_people'  ''
                                         'release'  'Masterpieces by Ellington'
                                           'title'  'Sophisticated Lady'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-2', 'q-bass-3', 'q-busy-2', 'q-grit-1', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-2', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'swing', 'big band', 'jazz standards', 'duke ellington']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '7'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '148'
                                             'key'  '4B'
                                        'acoustid'  'f90f4c09-c44a-44f4-a11d-2f4946e1d19a'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Masterpieces by Ellington'
'TBPM' (BPM (beats per minute))                     '148'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Sophisticated Lady'
'TKEY' (Initial key)                                '4B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Duke Ellington and His Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Duke Ellington and His Orchestra'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Legacy'
'TRCK' (Track number/Position in set)               '2/7'
'TSO2'                                              'Ellington, Duke & His Orchestra'
'TSOP' (Performer sort order)                       'Ellington, Duke & His Orchestra'
'TSRC' (ISRC (international standard recording code))  'USSM10307076'
'TXXX:ASIN'                                         'B0001CCY9M'
'TXXX:Acoustid Id'                                  'f90f4c09-c44a-44f4-a11d-2f4946e1d19a'
'TXXX:Artists'                                      'Duke Ellington and His Orchestra'
'TXXX:BARCODE'                                      '696998704329'
'TXXX:CATALOGNUMBER'                                'CK 87043'
'TXXX:MusicBrainz Album Artist Id'                  'c01557ad-d41e-4316-a285-605769e2ab3b'
'TXXX:MusicBrainz Album Id'                         '6f9ec7ad-914c-4577-8f24-9a0d06581792'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'c01557ad-d41e-4316-a285-605769e2ab3b'
'TXXX:MusicBrainz Release Group Id'                 'ad946575-9a0c-3c1f-9a4a-42eb33079501'
'TXXX:MusicBrainz Release Track Id'                 'd75117b4-a599-3ded-bb3f-c26769768104'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['jazz', 'swing', 'big band', 'jazz standards', 'duke ellington']
'TXXX:mood'                                         'Relaxed/Not sad/Not aggressive/Electronic/Not happy/Acoustic/Not party'
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.85 dB'
'TXXX:replaygain_track_peak'                        '0.773113'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5c076f55-34cf-4b72-9ef4-1ec07f62d54a')

========================== row from database ==========================
                                              'id'  968357
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Duke Ellington/Master Pieces by Ellington/02 Sophisticated Lady.wma.mp3
                                         'working'  None
                                         'bitrate'  217
                                    'duration_sec'  690
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  18798245
                                           'mtime'  1620528496
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Pieces 02 Lady.wma prerock jb jazz unsorted
                                      'tag_artist'  Duke Ellington and His Orchestra
                                     'tag_release'  Masterpieces by Ellington
                                       'tag_title'  Sophisticated Lady
                                             'bpm'  148.0
                                    'search_title'  'lady':2 'sophisticated':1
                                   'search_artist'  'and':3 'duke':1 'ellington':2 'his':4 'orchestra':5
                                  'search_release'  'by':2 'ellington':3 'masterpieces':1
                                     'search_rest'  'country':4 'exotica':2 'jazz':1 'jb':10 'lady':6 'ladywma':8 'oldies':3 'pieces':5 'prerock':9 'unsorted':11 'wma':7
                                    'search_combo'  'and':5B 'by':9C 'country':14 'duke':3B 'ellington':4B,10C 'exotica':12 'his':6B 'jazz':11 'jb':20 'lady':2A,16 'ladywma':18 'masterpieces':8C 'oldies':13 'orchestra':7B 'pieces':15 'prerock':19 'sophisticated':1A 'unsorted':21 'wma':17
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-2', 'q-mixbeat-1', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'swing', 'big band', 'jazz standards', 'duke ellington']
                                        'tag_date'  2004
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620528495.7051456  (2021-05-09 04:48:15)
                             'size'  18798245