======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '97'
                                          'artist'  'Al Jockers violin solo'
                                     'text_people'  ''
                                         'release'  'Little Wonder 829'
                                           'title'  'Dixie Volunteers (piano - Monroe Jockers)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-2', 'q-bass-1', 'q-busy-3', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1917'
                                        'comments'  ''
                                           'genre'  'prerock-instrumental'
                                             'bpm'  '104.552'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Little Wonder 829'
'TBPM' (BPM (beats per minute))                     '104.552'
'TCON' (Content type, a.k.a. Genre)                 'prerock-instrumental'
'TDRC' (Recording time)                             '1917'
'TIT2' (Title/songname/content description)         'Dixie Volunteers (piano - Monroe Jockers)'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Al Jockers violin solo'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.15 dB'
'TXXX:replaygain_track_peak'                        '0.388877'

========================== row from database ==========================
                                              'id'  1436179
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1917/Al Jockers violin solo - Dixie Volunteers (piano - Monroe Jockers) -11-1917.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  97
                                           'genre'  prerock-instrumental
                                        'filesize'  1943159
                                           'mtime'  1621705367
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1917 11 1917 prerock instrumental
                                      'tag_artist'  Al Jockers violin solo
                                     'tag_release'  Little Wonder 829
                                       'tag_title'  Dixie Volunteers (piano - Monroe Jockers)
                                             'bpm'  104.552
                                    'search_title'  'dixie':1 'jockers':6,7 'monroe':5 'piano':3,4 'volunteers':2
                                   'search_artist'  'al':1 'jockers':2 'solo':4 'violin':3
                                  'search_release'  '829':3 'little':1 'wonder':2
                                     'search_rest'  '00oldiepop':5 '1917':6 'country':4 'exotica':2 'instrumental':8 'jazz':1 'oldies':3 'prerock':7
                                    'search_combo'  '00oldiepop':19 '1917':20 '829':14C 'al':8B 'country':18 'dixie':1A 'exotica':16 'instrumental':22 'jazz':15 'jockers':6A,7A,9B 'little':12C 'monroe':5A 'oldies':17 'piano':3A,4A 'prerock':21 'solo':11B 'violin':10B 'volunteers':2A 'wonder':13C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1917
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705367.239916  (2021-05-22 19:42:47)
                             'size'  1943159