<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '148'
                                          'artist'  'Jack Finney'
                                     'text_people'  ''
                                         'release'  'Trashcan Records Vol. 05 - Hipsville'
                                           'title'  'Shake It Nelly Gray'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['spoken word', 'audiobook', 'under 2000 listeners']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '26'
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '144.2'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f9537d81df0>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1389393"/>
'TALB' (Album/Movie/Show title)                     'Trashcan Records Vol. 05 - Hipsville'
'TBPM' (BPM (beats per minute))                     '144.2'
'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)         'Shake It Nelly Gray'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jack Finney'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '26'
'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:lastfmtags'                                   ['spoken word', 'audiobook', 'under 2000 listeners']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'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'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.15 dB'
'TXXX:replaygain_track_peak'                        '0.248611'
'WXXX:'                                             WXXX(encoding=&lt;Encoding.UTF16: 1&gt;, desc='', url='http://www.avs4you.com')

========================== row from database ==========================
                                              'id'  1389393
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The Moe Koffman Quintet - va - Trashcan Records Vol. 05 - Hipsville/26 - Jack Finney - Shake It Nelly Gray (Vogue) (Amsterdam, Holland).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  148
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  6259350
                                           'mtime'  1620536487
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The Moe Koffman Quintet va 26 (Vogue) (Amsterdam, Holland) prerock jb jazz lounge exotica bossa
                                      'tag_artist'  Jack Finney
                                     'tag_release'  Trashcan Records Vol. 05 - Hipsville
                                       'tag_title'  Shake It Nelly Gray
                                             'bpm'  144.2
                                    'search_title'  'gray':4 'it':2 'nelly':3 'shake':1
                                   'search_artist'  'finney':2 'jack':1
                                  'search_release'  'hipsville':5 'records':2 'trashcan':1 'vol':3,4
                                     'search_rest'  '26':10 'amsterdam':13,14 'bossa':20 'country':4 'exotica':2 'holland':15,16 'jazz':1 'jb':18 'koffman':7 'lounge':19 'moe':6 'oldies':3 'prerock':17 'quintet':8 'the':5 'va':9 'vogue':11,12
                                    'search_combo'  '26':21 'amsterdam':24,25 'bossa':31 'country':15 'exotica':13 'finney':6B 'gray':4A 'hipsville':11C 'holland':26,27 'it':2A 'jack':5B 'jazz':12 'jb':29 'koffman':18 'lounge':30 'moe':17 'nelly':3A 'oldies':14 'prerock':28 'quintet':19 'records':8C 'shake':1A 'the':16 'trashcan':7C 'va':20 'vogue':22,23 'vol':9C,10C
                                    'tag_tracknum'  26
                                      'num_images'  1
                                             'key'  2A
                                           '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-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['spoken word', 'audiobook', 'under 2000 listeners']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536486.8436139  (2021-05-09 07:01:26)
                             'size'  6259350