======================== unified (from filesystem) ========================
                                         'bitrate'  '40.0'
                                        'duration'  '141'
                                          'artist'  'Gus Henson Orch'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'In An Old Havana Town 1936'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '95.799'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TBPM' (BPM (beats per minute))                     '95.799'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TIT2' (Title/songname/content description)         'In An Old Havana Town 1936'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gus Henson Orch'
'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:q-bass'                                       '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.11 dB'
'TXXX:replaygain_track_peak'                        '0.333071'

========================== row from database ==========================
                                              'id'  1534269
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/30_s collection/gus henson orch - in an old havana town 1936.mp3
                                         'working'  None
                                         'bitrate'  40
                                    'duration_sec'  141
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  724496
                                           'mtime'  1620527878
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 30_s collection gus henson orch in old havana town prerock jb jazz unsorted
                                      'tag_artist'  Gus Henson Orch
                                     'tag_release'  None
                                       'tag_title'  In An Old Havana Town 1936
                                             'bpm'  95.799
                                    'search_title'  '1936':6 'an':2 'havana':4 'in':1 'old':3 'town':5
                                   'search_artist'  'gus':1 'henson':2 'orch':3
                                  'search_release'  
                                     'search_rest'  '30':5 'collection':7 'country':4 'exotica':2 'gus':8 'havana':13 'henson':9 'in':11 'jazz':1 'jb':16 'old':12 'oldies':3 'orch':10 'prerock':15 's':6 'town':14 'unsorted':17
                                    'search_combo'  '1936':6A '30':14 'an':2A 'collection':16 'country':13 'exotica':11 'gus':7B,17 'havana':4A,22 'henson':8B,18 'in':1A,20 'jazz':10 'jb':25 'old':3A,21 'oldies':12 'orch':9B,19 'prerock':24 's':15 'town':5A,23 'unsorted':26
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           '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-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527878.249261  (2021-05-09 04:37:58)
                             'size'  724496