======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '178'
                                          'artist'  'Twizzle'
                                     'text_people'  ''
                                         'release'  'Comfort Stand'
                                           'title'  ''
                                           'quals'  ("['Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'funky', 'bem', 'experimental', 'cdbaby']"
                                     'discogstags'  "['electronic', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '84.1'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Comfort Stand'
'TBPM' (BPM (beats per minute))                     '84.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Twizzle'
'TXXX:Mp3gain_minmax'                               '077,177'
'TXXX:Mp3gain_undo'                                 '+002,+002,N'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'downtempo']
'TXXX:lastfmtags'                                   ['lounge', 'funky', 'bem', 'experimental', 'cdbaby']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.52 dB'
'TXXX:replaygain_track_peak'                        '0.711980'

========================== row from database ==========================
                                              'id'  723217
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Comfort Stand/csr002/csr002-04-twizzle-barefoot-girl-pebble-road.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  178
                                           'genre'  electronic-unsorted
                                        'filesize'  4293778
                                           'mtime'  1620506815
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm csr002 csr002 04 twizzle barefoot girl pebble road electronic unsorted
                                      'tag_artist'  Twizzle
                                     'tag_release'  Comfort Stand
                                       'tag_title'  None
                                             'bpm'  84.1
                                    'search_title'  None
                                   'search_artist'  'twizzle':1
                                  'search_release'  'comfort':1 'stand':2
                                     'search_rest'  'barefoot':3 'csr002':1 'electronic':7 'girl':4 'pebble':5 'road':6 'twizzle':2 'unsorted':8
                                    'search_combo'  'barefoot':6 'comfort':2C 'csr002':4 'electronic':10 'girl':7 'pebble':8 'road':9 'stand':3C 'twizzle':1B,5 'unsorted':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-2', 'q-piano-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'funky', 'bem', 'experimental', 'cdbaby']
                                        'tag_date'  
                                     'discogstags'  ['electronic', 'downtempo']

============================== file details ==============================
                                           'mtime'  1620506814.8943577  (2021-05-08 22:46:54)
                             'size'  4293778