======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '152'
                                          'artist'  'Papa Bue Vikings JB'
                                     'text_people'  ''
                                         'release'  'Papa Bue Vikings JB'
                                           'title'  'Old spinningwheel'
                                           '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'  '138.2'
                                             'key'  'A m'  (8A)
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Papa Bue Vikings JB'
'TBPM' (BPM (beats per minute))                     '138.2'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-dixiestyle'
'TENC' (Encoded by)                                 'iTunes v4.2.0.72'
'TIT2' (Title/songname/content description)         'Old spinningwheel'
'TKEY' (Initial key)                                'A m'
'TPE1' (Lead performer(s)/Soloist(s))               'Papa Bue Vikings JB'
'TPE2' (Band/orchestra/accompaniment)               'Papa Bue Vikings JB'
'TXXX:MusicMagic Data'                              'AQEBWV7Bg+2orLeChQG7QToAgAGBDYDpKZqulwYggAH2ZIABgvMtM9QAgAHtqpQZgomAAcamJD7Mb4ABgAGesyf7/83A+aJIgAKAAQ=='
'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'                        '-0.36 dB'
'TXXX:replaygain_track_peak'                        '0.753253'

========================== row from database ==========================
                                              'id'  1495236
                                            'path'  /data/Music/Other/Pa/Dixieland/Papa Bue Vikings JB/Old spinningwheel.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  152
                                           'genre'  prerock-jb-jazz-dixiestyle
                                        'filesize'  3051800
                                           'mtime'  1621091528
                                   'redo_metaread'  0
                                        'rest_str'   Dixieland prerock jb jazz dixiestyle
                                      'tag_artist'  Papa Bue Vikings JB
                                     'tag_release'  Papa Bue Vikings JB
                                       'tag_title'  Old spinningwheel
                                             'bpm'  138.2
                                    'search_title'  'old':1 'spinningwheel':2
                                   'search_artist'  'bue':2 'jb':4 'papa':1 'vikings':3
                                  'search_release'  'bue':2 'jb':4 'papa':1 'vikings':3
                                     'search_rest'  'dixieland':1 'dixiestyle':5 'jazz':4 'jb':3 'prerock':2
                                    'search_combo'  'bue':4B,8C 'dixieland':11 'dixiestyle':15 'jazz':14 'jb':6B,10C,13 'old':1A 'papa':3B,7C 'prerock':12 'spinningwheel':2A 'vikings':5B,9C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  A 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'  1621091527.9079497  (2021-05-15 17:12:07)
                             'size'  3051800