======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '212'
                                          'artist'  "Yerkes' Happy Six"
                                     'text_people'  ''
                                         'release'  'Columbia A 2773'
                                           'title'  'Karavan (+ Rudy Wiedoeft)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['proto exotica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1919'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '92.857'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Columbia A 2773'
'TBPM' (BPM (beats per minute))                     '92.857'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1919'
'TIT2' (Title/songname/content description)         'Karavan (+ Rudy Wiedoeft)'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               "Yerkes' Happy Six"
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'proto exotica'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'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'                        '+0.88 dB'
'TXXX:replaygain_track_peak'                        '0.470513'

========================== row from database ==========================
                                              'id'  1519121
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1919/Yerkes_ Happy Six - Karavan (+ Rudy Wiedoeft) 19-6-1919.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  212
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  4253219
                                           'mtime'  1620524121
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1919 Yerkes_ 19 6 1919 prerock jb jazz unsorted
                                      'tag_artist'  Yerkes' Happy Six
                                     'tag_release'  Columbia A 2773
                                       'tag_title'  Karavan (+ Rudy Wiedoeft)
                                             'bpm'  92.857
                                    'search_title'  'karavan':1 'rudy':2 'wiedoeft':3,4
                                   'search_artist'  'happy':3 'six':4 'yerkes':1,2
                                  'search_release'  '2773':3 'a':2 'columbia':1
                                     'search_rest'  '00oldiepop':5 '19':8 '1919':6 '6':9 'country':4 'exotica':2 'jazz':1 'jb':11 'oldies':3 'prerock':10 'unsorted':12 'yerkes':7
                                    'search_combo'  '00oldiepop':16 '19':19 '1919':17 '2773':11C '6':20 'a':10C 'columbia':9C 'country':15 'exotica':13 'happy':7B 'jazz':12 'jb':22 'karavan':1A 'oldies':14 'prerock':21 'rudy':2A 'six':8B 'unsorted':23 'wiedoeft':3A,4A 'yerkes':5B,6B,18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           '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-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['proto exotica']
                                        'tag_date'  1919
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524121.1743813  (2021-05-09 03:35:21)
                             'size'  4253219