======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '59'
                                          'artist'  'Frank Zappa'
                                     'text_people'  ''
                                         'release'  'Make a Jazz Noise Here (Disc 2)'
                                           'title'  "Royal March from L'historie du soldat (Stravinsky)"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'rock-cppex-experimental or noise'
                                             'bpm'  '105.587'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Make a Jazz Noise Here (Disc 2)'
'TBPM' (BPM (beats per minute))                     '105.587'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-experimental or noise'
'TDRC' (Recording time)                             '1991'
'TENC' (Encoded by)                                 'Trimegisto'
'TIT2' (Title/songname/content description)         "Royal March from L'historie du soldat (Stravinsky)"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Frank Zappa'
'TRCK' (Track number/Position in set)               '05'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+9.10 dB'
'TXXX:replaygain_track_peak'                        '0.270070'

========================== row from database ==========================
                                              'id'  1506705
                                            'path'  /data/Music/Bulk/00poprockelectronic/Frank Zappa/Make A Jazz Noise Here/Disc 2/05 - Royal March from L_historie du soldat (Stravinsky).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  59
                                           'genre'  rock-cppex-experimental or noise
                                        'filesize'  1421715
                                           'mtime'  1636757602
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic A 05 L_historie rock cppex experimental noise
                                      'tag_artist'  Frank Zappa
                                     'tag_release'  Make a Jazz Noise Here (Disc 2)
                                       'tag_title'  Royal March from L'historie du soldat (Stravinsky)
                                             'bpm'  105.587
                                    'search_title'  'du':7 'from':3 'historie':5 'l':4 'lhistorie':6 'march':2 'royal':1 'soldat':8 'stravinsky':9,10
                                   'search_artist'  'frank':1 'zappa':2
                                  'search_release'  '2':8,9 'a':2 'disc':6,7 'here':5 'jazz':3 'make':1 'noise':4
                                     'search_rest'  '00poprockelectronic':1 'a':2 'cppex':6 'experimental':7 'historie':4 'l':3 'noise':8 'rock':5
                                    'search_combo'  '00poprockelectronic':22 '2':20C,21C 'a':14C,23 'cppex':27 'disc':18C,19C 'du':7A 'experimental':28 'frank':11B 'from':3A 'here':17C 'historie':5A,25 'jazz':15C 'l':4A,24 'lhistorie':6A 'make':13C 'march':2A 'noise':16C,29 'rock':26 'royal':1A 'soldat':8A 'stravinsky':9A,10A 'zappa':12B
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']
                                        'tag_date'  1991
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636757601.695191  (2021-11-12 23:53:21)
                             'size'  1421715