======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '260'
                                          'artist'  'Foggy Bottom Classic Jazz Band'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Canal street blues'
                                           'quals'  ("['Q-HAP-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'q-drums-2', "
 "'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'  '145.8'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '145.8'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz'
'TIT2' (Title/songname/content description)         'Canal street blues'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Foggy Bottom Classic Jazz Band'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AgEAAAAAlPKeA5hAgRNB+SQngAGA0IB1GOynVQpSgAH1SoABgvMocK/mg4TXjoAqgvGAAbnf0cfbCZLOgAGepA3F0vOu852/gAKAAaYdpCOqE4IlDcRFvoABgZqBkB/5rRMJFIC59gGPcoU9Kqu2VodL0ryWeIM1gAHaxeTJ4CmWuoBDsNMYr9sptJyzLIAzgAE='
'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'                                      '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.41 dB'
'TXXX:replaygain_track_peak'                        '0.401931'

========================== row from database ==========================
                                              'id'  1495064
                                            'path'  /data/Music/Other/Pa/Jazz/Foggy Bottom Classic JB/Canal street blues.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  260
                                           'genre'  prerock-jb-jazz
                                        'filesize'  5207177
                                           'mtime'  1674646710
                                   'redo_metaread'  0
                                        'rest_str'   Pa JB prerock jb jazz
                                      'tag_artist'  Foggy Bottom Classic Jazz Band
                                     'tag_release'  None
                                       'tag_title'  Canal street blues
                                             'bpm'  145.8
                                    'search_title'  'blues':3 'canal':1 'street':2
                                   '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':8B 'blues':3A 'bottom':5B 'canal':1A 'classic':6B 'foggy':4B 'jazz':7B,12 'jb':10 'pa':9 'prerock':11 'street':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HAP-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'q-drums-2', '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'  1674646710.2822752  (2023-01-25 12:38:30)
                             'size'  5207177