======================== unified (from filesystem) ========================
                                         'bitrate'  '180.618'
                                        'duration'  '157'
                                          'artist'  'Art Carney'
                                     'text_people'  ''
                                         'release'  'Dr Demento'
                                           'title'  'Song of the Sewer'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['the hound', 'xmasparty', 'humor', 'xmas', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'entertaining-unsorted'
                                             'bpm'  '125.083'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dr Demento'
'TBPM' (BPM (beats per minute))                     '125.083'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-unsorted'
'TIT2' (Title/songname/content description)         'Song of the Sewer'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Art Carney'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['the hound', 'xmasparty', 'humor', 'xmas', 'pop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.55 dB'
'TXXX:replaygain_track_peak'                        '0.554285'

========================== row from database ==========================
                                              'id'  1339946
                                            'path'  /data/Music/Bulk/00poprockelectronic/Clean/Dr Demento -  Song Of The Sewer - Art Carney.mp3
                                         'working'  None
                                         'bitrate'  180
                                    'duration_sec'  157
                                           'genre'  entertaining-unsorted
                                        'filesize'  3557202
                                           'mtime'  1620568686
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Clean Of The entertaining unsorted
                                      'tag_artist'  Art Carney
                                     'tag_release'  Dr Demento
                                       'tag_title'  Song of the Sewer
                                             'bpm'  125.083
                                    'search_title'  'of':2 'sewer':4 'song':1 'the':3
                                   'search_artist'  'art':1 'carney':2
                                  'search_release'  'demento':2 'dr':1
                                     'search_rest'  '00poprockelectronic':1 'clean':2 'entertaining':5 'of':3 'the':4 'unsorted':6
                                    'search_combo'  '00poprockelectronic':9 'art':5B 'carney':6B 'clean':10 'demento':8C 'dr':7C 'entertaining':13 'of':2A,11 'sewer':4A 'song':1A 'the':3A,12 'unsorted':14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['the hound', 'xmasparty', 'humor', 'xmas', 'pop']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620568686.4141374  (2021-05-09 15:58:06)
                             'size'  3557202