======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '178'
                                          'artist'  'Nat Shilkret & The Victor Orchestra'
                                     'text_people'  ''
                                         'release'  'Billboard 1928'
                                           'title'  'Up In The Clouds'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '153'
                                      'tracktotal'  ''
                                            'date'  '1928'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '114.414'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 1928 and peaked at #13 on Various Charts. Source: Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 1928 and peaked at #'
'TALB' (Album/Movie/Show title)                     'Billboard 1928'
'TBPM' (BPM (beats per minute))                     '114.414'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1928'
'TIT2' (Title/songname/content description)         'Up In The Clouds'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Nat Shilkret & The Victor Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '153'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.15 dB'
'TXXX:replaygain_track_peak'                        '0.303587'

========================== row from database ==========================
                                              'id'  978311
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Billboard 1928/1928_153 - Nat Shilkret & The Victor Orchestra - Up In The Clouds 160 JS (2.59).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  178
                                           'genre'  prerock-band
                                        'filesize'  3581304
                                           'mtime'  1620561409
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1928_153 160 JS (2.59) prerock band
                                      'tag_artist'  Nat Shilkret & The Victor Orchestra
                                     'tag_release'  Billboard 1928
                                       'tag_title'  Up In The Clouds
                                             'bpm'  114.414
                                    'search_title'  'clouds':4 'in':2 'the':3 'up':1
                                   'search_artist'  'nat':1 'orchestra':5 'shilkret':2 'the':3 'victor':4
                                  'search_release'  '1928':2 'billboard':1
                                     'search_rest'  '153':6 '160':7 '1928':5 '2':9 '259':11 '59':10 'band':13 'country':4 'exotica':2 'jazz':1 'js':8 'oldies':3 'prerock':12
                                    'search_combo'  '153':17 '160':18 '1928':11C,16 '2':20 '259':22 '59':21 'band':24 'billboard':10C 'clouds':4A 'country':15 'exotica':13 'in':2A 'jazz':12 'js':19 'nat':5B 'oldies':14 'orchestra':9B 'prerock':23 'shilkret':6B 'the':3A,7B 'up':1A 'victor':8B
                                    'tag_tracknum'  153
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1928
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561409.3919725  (2021-05-09 13:56:49)
                             'size'  3581304