======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '211'
                                          'artist'  'Jelly Roll Morton'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Sidewalk blues'
                                           'quals'  ("['Q-HAP-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'Q-CHART-2', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', 'Q-SYN-1', 'Q-UNU-1', "
 "'Q-JZFKS-3', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['jazz', 'ragtime', 'piano', 'new orleans', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz'
                                             'bpm'  '145.9'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '145.9'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz'
'TIT2' (Title/songname/content description)         'Sidewalk blues'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jelly Roll Morton'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AgEBYsv7gvOworzGhPzhnDR6gAGAp4ACJsuwSNgngAHsYoABgAEmALWXgAHGPIABgsiAAbMbELPyk4ABgAGTFi3w8DyAAZfVgAKAAYUkofyp9oK5Hl4zf4emgYWA0A9QqHoR44Ih2VKFsoNHGovAXolR4NGTxIP7hBLG9ujJ5ZmSF4Kcs+0YwuuysMGok4BIgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'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:lastfmtags'                                   ['jazz', 'ragtime', 'piano', 'new orleans', 'blues']
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.47 dB'
'TXXX:replaygain_track_peak'                        '0.371865'

========================== row from database ==========================
                                              'id'  1495324
                                            'path'  /data/Music/Other/Pa/Jazz/Jelly Roll Morton/Sidewalk blues.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  211
                                           'genre'  prerock-jb-jazz
                                        'filesize'  4231019
                                           'mtime'  1676127339
                                   'redo_metaread'  0
                                        'rest_str'   Pa Jazz prerock jb jazz
                                      'tag_artist'  Jelly Roll Morton
                                     'tag_release'  None
                                       'tag_title'  Sidewalk blues
                                             'bpm'  145.9
                                    'search_title'  'blues':2 'sidewalk':1
                                   'search_artist'  'jelly':1 'morton':3 'roll':2
                                  'search_release'  
                                     'search_rest'  'jazz':2 'jb':4 'pa':1 'prerock':3
                                    'search_combo'  'blues':2A 'jazz':7 'jb':9 'jelly':3B 'morton':5B 'pa':6 'prerock':8 'roll':4B 'sidewalk':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-CHART-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', 'Q-SYN-1', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']
                                      'lastfmtags'  ['jazz', 'ragtime', 'piano', 'new orleans', 'blues']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676127339.306384  (2023-02-11 15:55:39)
                             'size'  4231019