======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '215'
                                          'artist'  'DSCB'
                                     'text_people'  ''
                                         'release'  'DSCB'
                                           'title'  'Weary 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-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'  '123.1'
                                             'key'  'G m'  (6A)
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'DSCB'
'TBPM' (BPM (beats per minute))                     '123.1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-dixiestyle'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Weary blues'
'TKEY' (Initial key)                                'G m'
'TPE1' (Lead performer(s)/Soloist(s))               'DSCB'
'TPE2' (Band/orchestra/accompaniment)               'DSCB'
'TXXX:MusicMagic Data'                              'AQEBWo0WhYKjgqJZgbToW006gAGAnYFcMequzQ0IgOr/KrM0iNU/xrZwgAHE1p9egqeAAd6O2crpK4ABgXKnEjAP4DHBEa0AgAKAAQ=='
'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'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.38 dB'
'TXXX:replaygain_track_peak'                        '0.590492'

========================== row from database ==========================
                                              'id'  1495436
                                            'path'  /data/Music/Other/Pa/Dixieland/DSCB/Weary blues.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  215
                                           'genre'  prerock-jb-jazz-dixiestyle
                                        'filesize'  4321319
                                           'mtime'  1621094199
                                   'redo_metaread'  0
                                        'rest_str'   Pa Dixieland prerock jb jazz dixiestyle
                                      'tag_artist'  DSCB
                                     'tag_release'  DSCB
                                       'tag_title'  Weary blues
                                             'bpm'  123.1
                                    'search_title'  'blues':2 'weary':1
                                   'search_artist'  'dscb':1
                                  'search_release'  'dscb':1
                                     'search_rest'  'dixieland':2 'dixiestyle':6 'jazz':5 'jb':4 'pa':1 'prerock':3
                                    'search_combo'  'blues':2A 'dixieland':6 'dixiestyle':10 'dscb':3B,4C 'jazz':9 'jb':8 'pa':5 'prerock':7 'weary':1A
                                    '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-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'  1621094198.7555273  (2021-05-15 17:56:38)
                             'size'  4321319