======================== unified (from filesystem) ========================
                                         'bitrate'  '132.443'
                                        'duration'  '161'
                                          'artist'  'Cliff Bruner'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "WHEN YOU'RE SMILING."
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['western swing', 'country', 'all', 'texas', 'the south']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1945'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '121.047'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '121.047'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '1945'
'TIT2' (Title/songname/content description)         "WHEN YOU'RE SMILING."
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cliff Bruner'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['western swing', 'country', 'all', 'texas', 'the south']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.72 dB'
'TXXX:replaygain_track_peak'                        '0.422990'

========================== row from database ==========================
                                              'id'  1504992
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Old Country Music/Cliff Bruner - When You_re Smiling 1938.wma.mp3
                                         'working'  None
                                         'bitrate'  132
                                    'duration_sec'  161
                                           'genre'  loc-namerica-country
                                        'filesize'  2672276
                                           'mtime'  1621628042
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Old Country Music When You_re Smiling 1938.wma loc namerica country
                                      'tag_artist'  Cliff Bruner
                                     'tag_release'  None
                                       'tag_title'  WHEN YOU'RE SMILING.
                                             'bpm'  121.047
                                    'search_title'  're':3 'smiling':5,6 'when':1 'you':2 'youre':4
                                   'search_artist'  'bruner':2 'cliff':1
                                  'search_release'  
                                     'search_rest'  '1938':11 '1938wma':13 'country':4 'exotica':2 'jazz':1 'loc':14 'music':6 'namerica':15 'old':5 'oldies':3 're':9 'smiling':10 'when':7 'wma':12 'you':8
                                    'search_combo'  '1938':19 '1938wma':21 'bruner':8B 'cliff':7B 'country':12 'exotica':10 'jazz':9 'loc':22 'music':14 'namerica':23 'old':13 'oldies':11 're':3A,17 'smiling':5A,6A,18 'when':1A,15 'wma':20 'you':2A,16 'youre':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['western swing', 'country', 'all', 'texas', 'the south']
                                        'tag_date'  1945
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621628042.4168599  (2021-05-21 22:14:02)
                             'size'  2672276