<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '174'
                                          'artist'  'Caravelles'
                                     'text_people'  ''
                                         'release'  'Trashcan Records Vol. 17 - Mondo Exotica Pt. 4'
                                           'title'  'Caravelle'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-JZFKS-2', 'Q-OLDST-1', 'q-chart-1', 'q-drums-3', 'q-other-4', "
 "'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['all', 'pop', '60s', 'girl group', 'oldies']"
                                     'discogstags'  "['twist', 'doo wop', 'pop', 'vocal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa;set-pl-mor'
                                             'bpm'  '135.0'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f95382daa30>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1389991"/>
'TALB' (Album/Movie/Show title)                     'Trashcan Records Vol. 17 - Mondo Exotica Pt. 4'
'TBPM' (BPM (beats per minute))                     '135.0'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-lounge or exotica or bossa', 'set-pl-mor']
'TDRC' (Recording time)                             '1965'
'TENC' (Encoded by)                                 'iTunes 8.2.0.23, QuickTime 7.6.2'
'TIT2' (Title/songname/content description)         'Caravelle'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Caravelles'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '17'
'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:discogstags'                                  ['twist', 'doo wop', 'pop', 'vocal', 'rock']
'TXXX:lastfmtags'                                   ['all', 'pop', '60s', 'girl group', 'oldies']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.69 dB'
'TXXX:replaygain_track_peak'                        '0.364306'
'WXXX:'                                             WXXX(encoding=&lt;Encoding.UTF16: 1&gt;, desc='', url='http://www.avs4you.com')

========================== row from database ==========================
                                              'id'  1389991
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Albinos - va - Trashcan Records Vol. 17 - Mondo Exotica Pt. 4/17 - Caravelles - Caravelle (Decca) (Belgium).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  174
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa;set-pl-mor
                                        'filesize'  7052968
                                           'mtime'  1620528135
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Albinos va (Decca) (Belgium) prerock jb jazz lounge exotica bossa;set pl mor
                                      'tag_artist'  Caravelles
                                     'tag_release'  Trashcan Records Vol. 17 - Mondo Exotica Pt. 4
                                       'tag_title'  Caravelle
                                             'bpm'  135.0
                                    'search_title'  'caravelle':1
                                   'search_artist'  'caravelles':1
                                  'search_release'  '4':9 'exotica':6 'mondo':5 'pt':7,8 'records':2 'trashcan':1 'vol':3,4
                                     'search_rest'  'albinos':5 'belgium':9,10 'bossa':14,16 'country':4 'decca':7,8 'exotica':2 'jazz':1 'jb':12 'lounge':13 'mor':19 'oldies':3 'pl':18 'prerock':11 'set':15,17 'va':6
                                    'search_combo'  '4':11C 'albinos':16 'belgium':20,21 'bossa':25,27 'caravelle':1A 'caravelles':2B 'country':15 'decca':18,19 'exotica':8C,13 'jazz':12 'jb':23 'lounge':24 'mondo':7C 'mor':30 'oldies':14 'pl':29 'prerock':22 'pt':9C,10C 'records':4C 'set':26,28 'trashcan':3C 'va':17 'vol':5C,6C
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['all', 'pop', '60s', 'girl group', 'oldies']
                                        'tag_date'  1965
                                     'discogstags'  ['twist', 'doo wop', 'pop', 'vocal', 'rock']

============================== file details ==============================
                                           'mtime'  1620528135.2395482  (2021-05-09 04:42:15)
                             'size'  7052968