======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '176'
                                          'artist'  'Al Caiola'
                                     'text_people'  ''
                                         'release'  'Bubbling Under 5'
                                           'title'  'From Russia With Love'
                                           '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-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'instrumental', 'swing', 'guitar', 'secretagent']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '134'
                                      'tracktotal'  ''
                                            'date'  '1964'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '130.988'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Bubbling Under 5'
'TBPM' (BPM (beats per minute))                     '130.988'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1964'
'TIT2' (Title/songname/content description)         'From Russia With Love'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Al Caiola'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '134'
'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'                                   ['jazz', 'instrumental', 'swing', 'guitar', 'secretagent']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                        '+0.62 dB'
'TXXX:replaygain_track_peak'                        '0.667968'

========================== row from database ==========================
                                              'id'  984420
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Bubbling under 5 (11-09-63)/134 Al Caiola - From russia with love.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  176
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  2825657
                                           'mtime'  1620528345
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country under (11 09 63) 134 russia with love prerock jb jazz unsorted
                                      'tag_artist'  Al Caiola
                                     'tag_release'  Bubbling Under 5
                                       'tag_title'  From Russia With Love
                                             'bpm'  130.988
                                    'search_title'  'from':1 'love':4 'russia':2 'with':3
                                   'search_artist'  'al':1 'caiola':2
                                  'search_release'  '5':3 'bubbling':1 'under':2
                                     'search_rest'  '11':6,7 '134':10 '63':8,9 'country':4 'exotica':2 'jazz':1 'jb':15 'love':13 'oldies':3 'prerock':14 'russia':11 'under':5 'unsorted':16 'with':12
                                    'search_combo'  '11':15,16 '134':19 '5':9C '63':17,18 'al':5B 'bubbling':7C 'caiola':6B 'country':13 'exotica':11 'from':1A 'jazz':10 'jb':24 'love':4A,22 'oldies':12 'prerock':23 'russia':2A,20 'under':8C,14 'unsorted':25 'with':3A,21
                                    'tag_tracknum'  134
                                      'num_images'  0
                                             'key'  3A
                                           '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-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'instrumental', 'swing', 'guitar', 'secretagent']
                                        'tag_date'  1964
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528345.0533245  (2021-05-09 04:45:45)
                             'size'  2825657