======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '251'
                                          'artist'  'The Bonzo Dog Doo-Dah Band'
                                     'text_people'  ''
                                         'release'  "A Dog's Life: The Albums 1967-1972"
                                           'title'  'Mr Apollo (German version)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-UNU-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alliteration']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '20'
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'entertaining-eccentric'
                                             'bpm'  '89'
                                             'key'  '9B'
                                        'acoustid'  '9eb05c28-bc5e-4e0b-a93c-475bee4cbc82'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "A Dog's Life: The Albums 1967-1972"
'TBPM' (BPM (beats per minute))                     '89'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-eccentric'
'TDOR' (Original release time)                      '2011'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Mr Apollo (German version)'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Bonzo Dog Doo-Dah Band'
'TPOS' (Part of a set)                              '3/3'
'TPUB' (Publisher)                                  'EMI'
'TRCK' (Track number/Position in set)               '16/20'
'TSO2'                                              'Bonzo Dog Band, The'
'TSOP' (Performer sort order)                       'Bonzo Dog Band, The'
'TSRC' (ISRC (international standard recording code))  'GBAYE0701041'
'TSST' (Set subtitle)                               "Let's Make Up and Be Friendly / Extra Treats!"
'TXXX:ASIN'                                         'B004FUZLX2'
'TXXX:Acoustid Id'                                  '9eb05c28-bc5e-4e0b-a93c-475bee4cbc82'
'TXXX:Artists'                                      'The Bonzo (Doo/Dah) Dog Band'
'TXXX:BARCODE'                                      '5099994749724'
'TXXX:CATALOGNUMBER'                                '5099994749724'
'TXXX:MusicBrainz Album Artist Id'                  '2fe8f530-861d-40ff-ac74-51f7e2701965'
'TXXX:MusicBrainz Album Id'                         'e1e0f6d2-b0b3-41b7-8787-79397aad6a7f'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '2fe8f530-861d-40ff-ac74-51f7e2701965'
'TXXX:MusicBrainz Release Group Id'                 'e84a4857-c3da-4ffb-b5cc-6a7af8a0dbdf'
'TXXX:MusicBrainz Release Track Id'                 'bd5e003a-2f3b-3612-9cbe-5eb6a35fb378'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   'alliteration'
'TXXX:originalyear'                                 '2011'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.49 dB'
'TXXX:replaygain_track_peak'                        '0.524097'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3b814e47-58d2-4456-bd9d-ab287a6a7819')

========================== row from database ==========================
                                              'id'  136300
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Bonzo Dog Band/Vol. 3  Dog Ends/MBZ;#The Bonzo Dog Band;#Vol. 3 Dog Ends;#05;#Mr. Apollo (single version) (German version).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  251
                                           'genre'  entertaining-eccentric
                                        'filesize'  8089508
                                           'mtime'  1620527218
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Vol. 3 Ends MBZ;#The Band;#Vol. 3 Ends;#05;#Mr. (single entertaining eccentric
                                      'tag_artist'  The Bonzo Dog Doo-Dah Band
                                     'tag_release'  A Dog's Life: The Albums 1967-1972
                                       'tag_title'  Mr Apollo (German version)
                                             'bpm'  89.0
                                    'search_title'  'apollo':2 'german':3,4 'mr':1 'version':5,6
                                   'search_artist'  'band':7 'bonzo':2 'dah':5 'dog':3 'doo':4 'doodah':6 'the':1
                                  'search_release'  '1967':9 '19671972':11 '1972':10 'a':1 'albums':8 'dog':2 'dogs':4 'life':5,6 's':3 'the':7
                                     'search_rest'  '05':14,17 '3':3 'band':9,11 'eccentric':22 'ends':4,13,16 'entertaining':21 'mbz':5,7 'mr':15,18 'single':19,20 'the':6,8 'vol':1,2,10,12
                                    'search_combo'  '05':38,41 '1967':22C '19671972':24C '1972':23C '3':27 'a':14C 'albums':21C 'apollo':2A 'band':13B,33,35 'bonzo':8B 'dah':11B 'dog':9B,15C 'dogs':17C 'doo':10B 'doodah':12B 'eccentric':46 'ends':28,37,40 'entertaining':45 'german':3A,4A 'life':18C,19C 'mbz':29,31 'mr':1A,39,42 's':16C 'single':43,44 'the':7B,20C,30,32 'version':5A,6A 'vol':25,26,34,36
                                    'tag_tracknum'  16
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alliteration']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527218.2433984  (2021-05-09 04:26:58)
                             'size'  8089508