======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '186'
                                          'artist'  'The Bonzo Dog Doo-Dah Band'
                                     'text_people'  ''
                                         'release'  "A Dog's Life: The Albums 1967-1972"
                                           'title'  'Readymades'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-UNU-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alliteration']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  '20'
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'entertaining-eccentric'
                                             'bpm'  '147'
                                             'key'  '8B'
                                        'acoustid'  'ef36eed3-849c-45fe-92e7-7abe537ede6f'
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))                     '147'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-eccentric'
'TDOR' (Original release time)                      '2011'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Readymades'
'TKEY' (Initial key)                                '8B'
'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)               '17/20'
'TSO2'                                              'Bonzo Dog Band, The'
'TSOP' (Performer sort order)                       'Bonzo Dog Band, The'
'TSRC' (ISRC (international standard recording code))  'GBAYE0701100'
'TSST' (Set subtitle)                               "Let's Make Up and Be Friendly / Extra Treats!"
'TXXX:ASIN'                                         'B004FUZLX2'
'TXXX:Acoustid Id'                                  'ef36eed3-849c-45fe-92e7-7abe537ede6f'
'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'                 'd079f8ac-7805-3f8b-9d6b-15f604578c2a'
'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'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                        '-0.55 dB'
'TXXX:replaygain_track_peak'                        '0.794827'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'107a546f-1a2d-4f5b-b321-a6bf91d3b99a')

========================== row from database ==========================
                                              'id'  126514
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Bonzo Dog Band/Vol. 3  Dog Ends/MBZ;#The Bonzo Dog Band;#Vol. 3 Dog Ends;#06;#Ready Mades.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  186
                                           'genre'  entertaining-eccentric
                                        'filesize'  6029144
                                           'mtime'  1620527223
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Vol. 3 Ends MBZ;#The Band;#Vol. 3 Ends;#06;#Ready Mades entertaining eccentric
                                      'tag_artist'  The Bonzo Dog Doo-Dah Band
                                     'tag_release'  A Dog's Life: The Albums 1967-1972
                                       'tag_title'  Readymades
                                             'bpm'  147.0
                                    'search_title'  'readymades':1
                                   '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'  '06':14,17 '3':3 'band':9,11 'eccentric':21 'ends':4,13,16 'entertaining':20 'mades':19 'mbz':5,7 'ready':15,18 'the':6,8 'vol':1,2,10,12
                                    'search_combo'  '06':33,36 '1967':17C '19671972':19C '1972':18C '3':22 'a':9C 'albums':16C 'band':8B,28,30 'bonzo':3B 'dah':6B 'dog':4B,10C 'dogs':12C 'doo':5B 'doodah':7B 'eccentric':40 'ends':23,32,35 'entertaining':39 'life':13C,14C 'mades':38 'mbz':24,26 'ready':34,37 'readymades':1A 's':11C 'the':2B,15C,25,27 'vol':20,21,29,31
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  8B
                                           '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-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alliteration']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527223.083364  (2021-05-09 04:27:03)
                             'size'  6029144