======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '128'
                                          'artist'  'Sammy Davis, Jr.'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'theme from hawaii 5'
                                           'quals'  ("['Q-OLDST-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['male vocalists', 'jazz', 'rat pack', 'oldies', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-cover or covered-styled;set-cover or covered'
                                             'bpm'  '100.7'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '100.7'
'TCON' (Content type, a.k.a. Genre)                 ['set-cover or covered-styled', 'set-cover or covered']
'TIT2' (Title/songname/content description)         'theme from hawaii 5'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sammy Davis, Jr.'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['male vocalists', 'jazz', 'rat pack', 'oldies', 'swing']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.45 dB'
'TXXX:replaygain_track_peak'                        '0.521177'

========================== row from database ==========================
                                              'id'  1303441
                                            'path'  /data/Music/Bulk/00spent/Bizarre Covers/sammy davis, jr - theme from hawaii 5-0.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  128
                                           'genre'  set-cover or covered-styled;set-cover or covered
                                        'filesize'  2051968
                                           'mtime'  1620350596
                                   'redo_metaread'  0
                                        'rest_str'   00spent Bizarre Covers sammy davis, jr 0 set cover or covered styled;set cover or covered
                                      'tag_artist'  Sammy Davis, Jr.
                                     'tag_release'  None
                                       'tag_title'  theme from hawaii 5
                                             'bpm'  100.7
                                    'search_title'  '5':4 'from':2 'hawaii':3 'theme':1
                                   'search_artist'  'davis':2,3 'jr':4,5 'sammy':1
                                  'search_release'  
                                     'search_rest'  '0':8 '00spent':1 'bizarre':2 'cover':10 'covered':12 'covers':3 'davis':5,6 'jr':7 'or':11 'sammy':4 'set':9,14,16 'styled':13,15
                                    'search_combo'  '0':17 '00spent':10 '5':4A 'bizarre':11 'cover':19 'covered':21 'covers':12 'davis':6B,7B,14,15 'from':2A 'hawaii':3A 'jr':8B,9B,16 'or':20 'sammy':5B,13 'set':18,23,25 'styled':22,24 'theme':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['male vocalists', 'jazz', 'rat pack', 'oldies', 'swing']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620350595.6039386  (2021-05-07 03:23:15)
                             'size'  2051968