<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '134'
                                          'artist'  'The Jive Five &amp; Eugene Pitt'
                                     'text_people'  ''
                                         'release'  'Trashcan Records Vol. 05 - Hipsville'
                                           'title'  "Hully Gully Callin' Time"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
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 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '115.3'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f9537d81310>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1498138"/>
'TALB' (Album/Movie/Show title)                     'Trashcan Records Vol. 05 - Hipsville'
'TBPM' (BPM (beats per minute))                     '115.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1960'
'TENC' (Encoded by)                                 'iTunes 8.2.0.23, QuickTime 7.6.2'
'TIT2' (Title/songname/content description)         "Hully Gully Callin' Time"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Jive Five &amp; Eugene Pitt'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.93 dB'
'TXXX:replaygain_track_peak'                        '0.292606'
'WXXX:'                                             WXXX(encoding=&lt;Encoding.UTF16: 1&gt;, desc='', url='http://www.avs4you.com')

========================== row from database ==========================
                                              'id'  1498138
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The Moe Koffman Quintet - va - Trashcan Records Vol. 05 - Hipsville/13 - The Jive Five & Eugene Pitt - Hully Gully Callin_ Time (Beltone) (Brooklyn, New York).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  134
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  5694588
                                           'mtime'  1620536458
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Moe Koffman Quintet va 13 Callin_ (Beltone) (Brooklyn, New York) prerock jb jazz lounge exotica bossa
                                      'tag_artist'  The Jive Five & Eugene Pitt
                                     'tag_release'  Trashcan Records Vol. 05 - Hipsville
                                       'tag_title'  Hully Gully Callin' Time
                                             'bpm'  115.3
                                    'search_title'  'callin':3,4 'gully':2 'hully':1 'time':5
                                   'search_artist'  'eugene':4 'five':3 'jive':2 'pitt':5 'the':1
                                  'search_release'  'hipsville':5 'records':2 'trashcan':1 'vol':3,4
                                     'search_rest'  'beltone':10,11 'bossa':20 'brooklyn':12,13 'callin':9 'country':4 'exotica':2 'jazz':1 'jb':18 'koffman':6 'lounge':19 'moe':5 'new':14 'oldies':3 'prerock':17 'quintet':7 'va':8 'york':15,16
                                    'search_combo'  'beltone':25,26 'bossa':35 'brooklyn':27,28 'callin':3A,4A,24 'country':19 'eugene':9B 'exotica':17 'five':8B 'gully':2A 'hipsville':15C 'hully':1A 'jazz':16 'jb':33 'jive':7B 'koffman':21 'lounge':34 'moe':20 'new':29 'oldies':18 'pitt':10B 'prerock':32 'quintet':22 'records':12C 'the':6B 'time':5A 'trashcan':11C 'va':23 'vol':13C,14C 'york':30,31
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536457.650661  (2021-05-09 07:00:57)
                             'size'  5694588