======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '206'
                                          'artist'  'Cliff Edwards'
                                     'text_people'  ''
                                         'release'  'Billboard 1928'
                                           'title'  'After My Laughter Came Tears'
                                           'quals'  ("['Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', '20s', 'jazz', 'disney', 'ukulele']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '126'
                                      'tracktotal'  ''
                                            'date'  '1928'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '143.213'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 4/7/1928 and peaked at #11 on Various Charts. Source: Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 4/7/1928 and peaked at'
'TALB' (Album/Movie/Show title)                     'Billboard 1928'
'TBPM' (BPM (beats per minute))                     '143.213'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1928'
'TIT2' (Title/songname/content description)         'After My Laughter Came Tears'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cliff Edwards'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '126'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', '20s', 'jazz', 'disney', 'ukulele']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.95 dB'
'TXXX:replaygain_track_peak'                        '0.919327'

========================== row from database ==========================
                                              'id'  978374
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Billboard 1928/1928_126 - Cliff Edwards - After My Laughter Came Tears 160 S (3.27).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  206
                                           'genre'  prerock-vocal
                                        'filesize'  4142396
                                           'mtime'  1620385963
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1928_126 160 S (3.27) prerock vocal
                                      'tag_artist'  Cliff Edwards
                                     'tag_release'  Billboard 1928
                                       'tag_title'  After My Laughter Came Tears
                                             'bpm'  143.213
                                    'search_title'  'after':1 'came':4 'laughter':3 'my':2 'tears':5
                                   'search_artist'  'cliff':1 'edwards':2
                                  'search_release'  '1928':2 'billboard':1
                                     'search_rest'  '126':6 '160':7 '1928':5 '27':10 '3':9 '327':11 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':12 's':8 'vocal':13
                                    'search_combo'  '126':15 '160':16 '1928':9C,14 '27':19 '3':18 '327':20 'after':1A 'billboard':8C 'came':4A 'cliff':6B 'country':13 'edwards':7B 'exotica':11 'jazz':10 'laughter':3A 'my':2A 'oldies':12 'prerock':21 's':17 'tears':5A 'vocal':22
                                    'tag_tracknum'  126
                                      'num_images'  0
                                             'key'  10A
                                           '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-2', 'q-other-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['soundtrack', '20s', 'jazz', 'disney', 'ukulele']
                                        'tag_date'  1928
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385963.1638727  (2021-05-07 13:12:43)
                             'size'  4142396