======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '321'
                                          'artist'  'Robert Miles'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Pachelbel's Canon (Club Mix)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'trance', 'electronic', 'chillout', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '137.758'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '137.758'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TIT2' (Title/songname/content description)         "Pachelbel's Canon (Club Mix)"
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Robert Miles'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dance', 'trance', 'electronic', 'chillout', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.67 dB'
'TXXX:replaygain_track_peak'                        '0.708443'

========================== row from database ==========================
                                              'id'  1298471
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/cifsba24.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  321
                                           'genre'  electronic
                                        'filesize'  5151011
                                           'mtime'  1636914496
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] cifsba24 electronic
                                      'tag_artist'  Robert Miles
                                     'tag_release'  None
                                       'tag_title'  Pachelbel's Canon (Club Mix)
                                             'bpm'  137.758
                                    'search_title'  'canon':4 'club':5,6 'mix':7,8 'pachelbel':1 'pachelbels':3 's':2
                                   'search_artist'  'miles':2 'robert':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'cifsba24':7 'electronic':8 'files':5,6 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 'canon':4A 'cifsba24':17 'club':5A,6A 'electronic':18 'files':15,16 'loose':13,14 'miles':10B 'mix':7A,8A 'pachelbel':1A 'pachelbels':3A 'robert':9B 's':2A 'unsorted':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'trance', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636914495.593972  (2021-11-14 19:28:15)
                             'size'  5151011