======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '128'
                                          'artist'  'Collins & Harlan'
                                     'text_people'  ''
                                         'release'  'Victor  5736'
                                           'title'  "My Wife's Gone To The Country Hurrah"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', '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-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1909'
                                        'comments'  ''
                                           'genre'  'prerock-ragtime'
                                             'bpm'  '85.058'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Victor  5736'
'TBPM' (BPM (beats per minute))                     '85.058'
'TCON' (Content type, a.k.a. Genre)                 'prerock-ragtime'
'TDRC' (Recording time)                             '1909'
'TIT2' (Title/songname/content description)         "My Wife's Gone To The Country Hurrah"
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Collins & Harlan'
'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'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.19 dB'
'TXXX:replaygain_track_peak'                        '0.471748'

========================== row from database ==========================
                                              'id'  1512235
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1909/Collins & Harlan - My Wife_s Gone To The Country 16-10-1909.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  128
                                           'genre'  prerock-ragtime
                                        'filesize'  2567986
                                           'mtime'  1620526498
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1909 Wife_s 16 10 1909 prerock ragtime
                                      'tag_artist'  Collins & Harlan
                                     'tag_release'  Victor  5736
                                       'tag_title'  My Wife's Gone To The Country Hurrah
                                             'bpm'  85.058
                                    'search_title'  'country':8 'gone':5 'hurrah':9 'my':1 's':3 'the':7 'to':6 'wife':2 'wifes':4
                                   'search_artist'  'collins':1 'harlan':2
                                  'search_release'  '5736':2 'victor':1
                                     'search_rest'  '00oldiepop':5 '1909':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'ragtime':10 's':8 'wife':7
                                    'search_combo'  '00oldiepop':18 '1909':19 '5736':13C 'collins':10B 'country':8A,17 'exotica':15 'gone':5A 'harlan':11B 'hurrah':9A 'jazz':14 'my':1A 'oldies':16 'prerock':22 'ragtime':23 's':3A,21 'the':7A 'to':6A 'victor':12C 'wife':2A,20 'wifes':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1909
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526497.5503445  (2021-05-09 04:14:57)
                             'size'  2567986