======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '354'
                                          'artist'  'Nina Simone'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'You can have him'
                                           'quals'  ("['Q-HAP-2', 'Q-BUSY-2', 'Q-GRIT-2', 'q-bass-1', 'q-drums-1', 'q-other-3', "
 "'q-piano-2', 'q-vocals-4', 'Q-SYN-1', 'Q-UNU-1', 'Q-PLAY-3', 'Q-CHART-4', "
 "'Q-JZFKS-2', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '142.1'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '142.1'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TIT2' (Title/songname/content description)         'You can have him'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Nina Simone'
'TXXX:MusicMagic Data'                              'AgEBYycagZCl/dPagxLoMR7BgAGAyYQS6XOcpe1KgAHPM4ABlJrxSa6agAHIR4CVkD2AAZ1z0BaqoIABgAGjg/7y3T+XD4+6gAKAAYKpoybLvYPk6ZYvjZCAgfaDku+MoQoF5oB40e2FyJM2+3CwsYBjzYqFOoj0i46ruMxjtwWOmoAavG0Bp+XDqv6a+oACgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '4'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'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'                                      '3'
'TXXX:q-piano'                                      '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.16 dB'
'TXXX:replaygain_track_peak'                        '0.595445'

========================== row from database ==========================
                                              'id'  1495197
                                            'path'  /data/Music/Other/Pa/All/Nina Simone/You can have him.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  354
                                           'genre'  funk or soul
                                        'filesize'  7089775
                                           'mtime'  1622658844
                                   'redo_metaread'  0
                                        'rest_str'   Pa All funk or soul
                                      'tag_artist'  Nina Simone
                                     'tag_release'  None
                                       'tag_title'  You can have him
                                             'bpm'  142.1
                                    'search_title'  'can':2 'have':3 'him':4 'you':1
                                   'search_artist'  'nina':1 'simone':2
                                  'search_release'  
                                     'search_rest'  'all':2 'funk':3 'or':4 'pa':1 'soul':5
                                    'search_combo'  'all':8 'can':2A 'funk':9 'have':3A 'him':4A 'nina':5B 'or':10 'pa':7 'simone':6B 'soul':11 'you':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-2', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-4', 'q-drums-1', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-2', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622658844.1599245  (2021-06-02 20:34:04)
                             'size'  7089775