======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '191'
                                          'artist'  'Charlie & His Orchestra'
                                     'text_people'  ''
                                         'release'  'Propaganda Swing'
                                           'title'  'Saint Louis Blues'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-2', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['jazz', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '136.920'
                                             'key'  '9B'
                                        'acoustid'  'd006177a-9835-4468-802e-1315941b987f'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Propaganda Swing'
'TBPM' (BPM (beats per minute))                     '136.920'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDOR' (Original release time)                      '1990'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Saint Louis Blues'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Charlie & His Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Charlie & His Orchestra'
'TPUB' (Publisher)                                  'Harlequin'
'TRCK' (Track number/Position in set)               '03'
'TSO2'                                              'Charlie & His Orchestra'
'TSOP' (Performer sort order)                       'Charlie & His Orchestra'
'TXXX:ASIN'                                         'B000001XXY'
'TXXX:Acoustid Id'                                  'd006177a-9835-4468-802e-1315941b987f'
'TXXX:Artists'                                      'Charlie & His Orchestra'
'TXXX:BARCODE'                                      '008637200329'
'TXXX:CATALOGNUMBER'                                'HQ CD 03'
'TXXX:MusicBrainz Album Artist Id'                  'f301090b-c46a-4b3f-976f-7232c45aacab'
'TXXX:MusicBrainz Album Id'                         'bf531a5e-5f52-4cb4-8578-b54b997ce53d'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'f301090b-c46a-4b3f-976f-7232c45aacab'
'TXXX:MusicBrainz Release Group Id'                 '52efbdff-ec4c-341a-82ce-95eed5ca954c'
'TXXX:MusicBrainz Release Track Id'                 '2fbaac7a-d3b3-3c79-9c24-50f8ba790874'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['jazz', 'swing']
'TXXX:originalyear'                                 '1990'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.61 dB'
'TXXX:replaygain_track_peak'                        '0.681746'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'77f009f1-6ef9-4b20-82a8-7d0ea4f5648e')

========================== row from database ==========================
                                              'id'  1106331
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00jazzes/(1990) Propaganda Swing/[propaganda swing] 03 - charlie & his orchestra - saint louis blues.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  191
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  4651592
                                           'mtime'  1620523991
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00jazzes (1990) [propaganda swing] 03 charlie his orchestra saint louis blues prerock jb jazz unsorted
                                      'tag_artist'  Charlie & His Orchestra
                                     'tag_release'  Propaganda Swing
                                       'tag_title'  Saint Louis Blues
                                             'bpm'  136.92
                                    'search_title'  'blues':3 'louis':2 'saint':1
                                   'search_artist'  'charlie':1 'his':2 'orchestra':3
                                  'search_release'  'propaganda':1 'swing':2
                                     'search_rest'  '00jazzes':5 '1990':6,7 'blues':17 'charlie':12 'country':4 'exotica':2 'his':13 'jazz':1 'jb':19 'louis':16 'oldies':3 'orchestra':14 'prerock':18 'propaganda':8,9 'saint':15 'swing':10,11 'unsorted':20
                                    'search_combo'  '00jazzes':13 '1990':14,15 'blues':3A,25 'charlie':4B,20 'country':12 'exotica':10 'his':5B,21 'jazz':9 'jb':27 'louis':2A,24 'oldies':11 'orchestra':6B,22 'prerock':26 'propaganda':7C,16,17 'saint':1A,23 'swing':8C,18,19 'unsorted':28
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['q-vocals-3', 'q-mixbeat-1', 'q-play-2', 'q-busy-2', 'q-drums-2', 'q-piano-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                        'tag_date'  1990
                                     'discogstags'  ['jazz', 'swing']

============================== file details ==============================
                                           'mtime'  1620523990.5623932  (2021-05-09 03:33:10)
                             'size'  4651592