======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '173'
                                          'artist'  'Firehouse Five'
                                     'text_people'  ''
                                         'release'  'Firehouse Five'
                                           'title'  'Sobbin blues'
                                           'quals'  ("['Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'Q-CHART-2', 'q-drums-1', "
 "'q-other-4', 'q-piano-2', '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'  '99.3'
                                             'key'  'G m'  (6A)
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Firehouse Five'
'TBPM' (BPM (beats per minute))                     '99.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-dixiestyle'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Sobbin blues'
'TKEY' (Initial key)                                'G m'
'TPE1' (Lead performer(s)/Soloist(s))               'Firehouse Five'
'TPE2' (Band/orchestra/accompaniment)               'Firehouse Five'
'TXXX:MusicMagic Data'                              'AQEBWWUqhCqeYp0QggwgbFMSgAGB6YZUDkunNf1mgJTa+YABxqAejbpRgAHj64C6gefJJdMmLL/r04ABgAG25gf18XvKlbBbgAKAAQ=='
'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'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.11 dB'
'TXXX:replaygain_track_peak'                        '0.573404'

========================== row from database ==========================
                                              'id'  1495123
                                            'path'  /data/Music/Other/Pa/Dixieland/Firehouse Five/Sobbin blues.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  173
                                           'genre'  prerock-jb-jazz-dixiestyle
                                        'filesize'  3467320
                                           'mtime'  1621092510
                                   'redo_metaread'  0
                                        'rest_str'   Pa Dixieland prerock jb jazz dixiestyle
                                      'tag_artist'  Firehouse Five
                                     'tag_release'  Firehouse Five
                                       'tag_title'  Sobbin blues
                                             'bpm'  99.3
                                    'search_title'  'blues':2 'sobbin':1
                                   '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'  'blues':2A 'dixieland':8 'dixiestyle':12 'firehouse':3B,5C 'five':4B,6C 'jazz':11 'jb':10 'pa':7 'prerock':9 'sobbin':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  G m
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-2', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-CHART-2', 'Q-JZFKS-3', 'Q-UNU-1', 'q-drums-1', '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'  1621092510.302682  (2021-05-15 17:28:30)
                             'size'  3467320