======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '196'
                                          'artist'  'Firehouse Five'
                                     'text_people'  ''
                                         'release'  'Firehouse Five'
                                           'title'  'I love my baby'
                                           'quals'  ("['Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'Q-CHART-2', 'q-drums-2', "
 "'q-other-4', 'q-piano-1', 'q-vocals-1', 'Q-HAP-3', 'Q-SYN-1', 'Q-UNU-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'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-dixiestyle'
                                             'bpm'  '115.6'
                                             'key'  'G m'  (6A)
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Firehouse Five'
'TBPM' (BPM (beats per minute))                     '115.6'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-dixiestyle'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'I love my baby'
'TKEY' (Initial key)                                'G m'
'TPE1' (Lead performer(s)/Soloist(s))               'Firehouse Five'
'TPE2' (Band/orchestra/accompaniment)               'Firehouse Five'
'TXXX:MusicMagic Data'                              'AgEBWjtdhWyh4qAkgddDMUoAgAGA24euGzyoggD1gIH8SoABkakk4Mj7gAHttMKUg1yAAecV7P7Z1oABgAGxJxiA3Xy5OrZXgAKAAYUZowSoVoJ4IudImYQwgZeG2xgQqPcNpYFg9C+GGpEsH2C6m4Jv6FWsk4IXjDLonfEZ82KKRYABq/ERNvQ5vU+69oACgAE='
'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:q-bass'                                       '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.14 dB'
'TXXX:replaygain_track_peak'                        '0.596607'

========================== row from database ==========================
                                              'id'  1495059
                                            'path'  /data/Music/Other/Pa/Dixieland/Firehouse Five/I love my baby.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  196
                                           'genre'  prerock-jb-jazz-dixiestyle
                                        'filesize'  3930828
                                           'mtime'  1621092510
                                   'redo_metaread'  0
                                        'rest_str'   Pa Dixieland prerock jb jazz dixiestyle
                                      'tag_artist'  Firehouse Five
                                     'tag_release'  Firehouse Five
                                       'tag_title'  I love my baby
                                             'bpm'  115.6
                                    'search_title'  'baby':4 'i':1 'love':2 'my':3
                                   'search_artist'  'firehouse':1 'five':2
                                  'search_release'  'firehouse':1 'five':2
                                     'search_rest'  'dixieland':2 'dixiestyle':6 'jazz':5 'jb':4 'pa':1 'prerock':3
                                    'search_combo'  'baby':4A 'dixieland':10 'dixiestyle':14 'firehouse':5B,7C 'five':6B,8C 'i':1A 'jazz':13 'jb':12 'love':2A 'my':3A 'pa':9 'prerock':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  G m
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-CHART-2', 'Q-JZFKS-3', 'Q-UNU-1', 'q-drums-2', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621092509.9948318  (2021-05-15 17:28:29)
                             'size'  3930828