======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '181'
                                          'artist'  'Perez Prado & His Orchestra'
                                     'text_people'  ''
                                         'release'  'Havana 3 A.M.'
                                           'title'  'Peanut Vendor'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['mambo', 'latin', 'cuban', 'instrumental', 'jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1956'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '122.068'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Havana 3 A.M.'
'TBPM' (BPM (beats per minute))                     '122.068'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1956'
'TIT2' (Title/songname/content description)         'Peanut Vendor'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Perez Prado & His Orchestra'
'TRCK' (Track number/Position in set)               '9'
'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'                                   ['mambo', 'latin', 'cuban', 'instrumental', 'jazz']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.83 dB'
'TXXX:replaygain_track_peak'                        '0.300634'

========================== row from database ==========================
                                              'id'  1390127
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Havana 3 A.M. - Perez Prado - 1956/09 - Peanut Vendor.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  181
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  7668769
                                           'mtime'  1620529936
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1956 09 prerock jb jazz unsorted
                                      'tag_artist'  Perez Prado & His Orchestra
                                     'tag_release'  Havana 3 A.M.
                                       'tag_title'  Peanut Vendor
                                             'bpm'  122.068
                                    'search_title'  'peanut':1 'vendor':2
                                   'search_artist'  'his':3 'orchestra':4 'perez':1 'prado':2
                                  'search_release'  '3':2 'a':3 'am':5 'havana':1 'm':4
                                     'search_rest'  '1956':5 'country':4 'exotica':2 'jazz':1 'jb':7 'oldies':3 'prerock':6 'unsorted':8
                                    'search_combo'  '1956':16 '3':8C 'a':9C 'am':11C 'country':15 'exotica':13 'havana':7C 'his':5B 'jazz':12 'jb':18 'm':10C 'oldies':14 'orchestra':6B 'peanut':1A 'perez':3B 'prado':4B 'prerock':17 'unsorted':19 'vendor':2A
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['mambo', 'latin', 'cuban', 'instrumental', 'jazz']
                                        'tag_date'  1956
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620529936.0920532  (2021-05-09 05:12:16)
                             'size'  7668769