======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '159'
                                          'artist'  'Rudy Wiedoeft'
                                     'text_people'  ''
                                         'release'  'Vocalion 14115'
                                           'title'  'Mouthful Of Kisses (+ Frank Wadsworth Quartet)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'novelty', 'ragtime', 'saxophone', '1920s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1920'
                                        'comments'  ''
                                           'genre'  'prerock-ragtime'
                                             'bpm'  '96.992'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Vocalion 14115'
'TBPM' (BPM (beats per minute))                     '96.992'
'TCON' (Content type, a.k.a. Genre)                 'prerock-ragtime'
'TDRC' (Recording time)                             '1920'
'TIT2' (Title/songname/content description)         'Mouthful Of Kisses (+ Frank Wadsworth Quartet)'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Rudy Wiedoeft'
'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:lastfmtags'                                   ['instrumental', 'novelty', 'ragtime', 'saxophone', '1920s']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'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'                        '-0.24 dB'
'TXXX:replaygain_track_peak'                        '0.558469'

========================== row from database ==========================
                                              'id'  1430957
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920/Rudy Wiedoeft - Mouthful Of Kisses (+ Frank Wadsworth Quartet) 1920.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  159
                                           'genre'  prerock-ragtime
                                        'filesize'  3190695
                                           'mtime'  1620526948
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920 1920 prerock ragtime
                                      'tag_artist'  Rudy Wiedoeft
                                     'tag_release'  Vocalion 14115
                                       'tag_title'  Mouthful Of Kisses (+ Frank Wadsworth Quartet)
                                             'bpm'  96.992
                                    'search_title'  'frank':4 'kisses':3 'mouthful':1 'of':2 'quartet':6,7 'wadsworth':5
                                   'search_artist'  'rudy':1 'wiedoeft':2
                                  'search_release'  '14115':2 'vocalion':1
                                     'search_rest'  '00oldiepop':5 '1920':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'ragtime':8
                                    'search_combo'  '00oldiepop':16 '14115':11C '1920':17 'country':15 'exotica':13 'frank':4A 'jazz':12 'kisses':3A 'mouthful':1A 'of':2A 'oldies':14 'prerock':18 'quartet':6A,7A 'ragtime':19 'rudy':8B 'vocalion':10C 'wadsworth':5A 'wiedoeft':9B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'novelty', 'ragtime', 'saxophone', '1920s']
                                        'tag_date'  1920
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526948.4901724  (2021-05-09 04:22:28)
                             'size'  3190695