======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '289'
                                          'artist'  'Foggy Bottom Classic Jazz Band'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Snake rag'
                                           'quals'  ("['Q-HAP-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'q-drums-1', "
 "'q-other-4', 'q-piano-1', 'q-vocals-1', 'Q-SYN-1', 'Q-UNU-1', 'Q-CHART-1', "
 "'Q-JZFKS-3', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz'
                                             'bpm'  '87.4'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '87.4'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz'
'TIT2' (Title/songname/content description)         'Snake rag'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Foggy Bottom Classic Jazz Band'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AQEBWps+tyWn7q9agi/eAlrugAGB9YVsKca0EAwkgFf/zqvkiNUwsL6dgAHV+LyUgZmAAQyN5kz9wYABgISxGx3B8WzCw86hgAKAAQ=='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '1'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:http://www.foosic.org/'                       '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'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.01 dB'
'TXXX:replaygain_track_peak'                        '0.383141'

========================== row from database ==========================
                                              'id'  1495459
                                            'path'  /data/Music/Other/Pa/Jazz/Foggy Bottom Classic JB/Snake rag.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  289
                                           'genre'  prerock-jb-jazz
                                        'filesize'  5801667
                                           'mtime'  1674646712
                                   'redo_metaread'  0
                                        'rest_str'   Pa JB prerock jb jazz
                                      'tag_artist'  Foggy Bottom Classic Jazz Band
                                     'tag_release'  None
                                       'tag_title'  Snake rag
                                             'bpm'  87.4
                                    'search_title'  'rag':2 'snake':1
                                   'search_artist'  'band':5 'bottom':2 'classic':3 'foggy':1 'jazz':4
                                  'search_release'  
                                     'search_rest'  'jazz':4 'jb':2 'pa':1 'prerock':3
                                    'search_combo'  'band':7B 'bottom':4B 'classic':5B 'foggy':3B 'jazz':6B,11 'jb':9 'pa':8 'prerock':10 'rag':2A 'snake':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HAP-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'Q-SYN-1', 'Q-UNU-1', 'Q-CHART-1', 'Q-JZFKS-3', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1674646711.7347615  (2023-01-25 12:38:31)
                             'size'  5801667