======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '195'
                                          'artist'  'Billie Holiday'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Can't help lovin' dat man"
                                           'quals'  ("['Q-OLDST-1', 'Q-GRIT-2', 'Q-BUSY-2', 'q-bass-1', 'q-drums-1', 'q-other-4', "
 "'q-piano-1', 'q-vocals-4', 'Q-HAP-3', 'Q-SYN-1', 'Q-UNU-1', 'Q-PLAY-3', "
 "'Q-CHART-4', 'Q-JZFKS-3', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb'
                                             'bpm'  '95.0'
                                             'key'  'F m'  (4A)
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '95.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         "Can't help lovin' dat man"
'TKEY' (Initial key)                                'F m'
'TPE1' (Lead performer(s)/Soloist(s))               'Billie Holiday'
'TXXX:MusicMagic Data'                              'AgEBXVxcg2mjRbEjg4TMOlEzgAGCvYMrFCutCRQrgQbH8YABgvMknLELgAHYoIXIgsCAAb5V4ETDg4ABgAHceRp45YLIMaZPgAKAAYYemPadHYJC7YlSaoxcgg+Cb/Ypopomp4EkyYaGaIjWDUK9/ZND2AeK/IJihJS716011leiI4ABwwMMEelwu86npJJYgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '4'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.90 dB'
'TXXX:replaygain_track_peak'                        '0.412142'

========================== row from database ==========================
                                              'id'  1495347
                                            'path'  /data/Music/Other/Pa/Swing/Billie  Holiday/Can't help lovin' dat man.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  195
                                           'genre'  prerock-jb
                                        'filesize'  3920311
                                           'mtime'  1621427977
                                   'redo_metaread'  0
                                        'rest_str'   Pa Swing prerock jb
                                      'tag_artist'  Billie Holiday
                                     'tag_release'  None
                                       'tag_title'  Can't help lovin' dat man
                                             'bpm'  95.0
                                    'search_title'  'can':1 'cant':3 'dat':7 'help':4 'lovin':5,6 'man':8 't':2
                                   'search_artist'  'billie':1 'holiday':2
                                  'search_release'  
                                     'search_rest'  'jb':4 'pa':1 'prerock':3 'swing':2
                                    'search_combo'  'billie':9B 'can':1A 'cant':3A 'dat':7A 'help':4A 'holiday':10B 'jb':14 'lovin':5A,6A 'man':8A 'pa':11 'prerock':13 'swing':12 't':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  F m
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-CHART-4', 'q-drums-1', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621427976.6235366  (2021-05-19 14:39:36)
                             'size'  3920311