======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '184'
                                          'artist'  'The Ink Spots'
                                     'text_people'  ''
                                         'release'  'Fallout 3: The Unofficial Soundtrack'
                                           'title'  "I Don't Want to Set the World on Fire"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', 'q-chart-2', "
 "'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['vocal jazz', 'jazz', '40s', 'oldies', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '137.106'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Fallout 3: The Unofficial Soundtrack'
'TBPM' (BPM (beats per minute))                     '137.106'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDOR' (Original release time)                      '1934'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         "I Don't Want to Set the World on Fire"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Ink Spots'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['vocal jazz', 'jazz', '40s', 'oldies', 'swing']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.84 dB'
'TXXX:replaygain_track_peak'                        '0.599950'
'TXXX:ÿþPMG3IA_NIMMNXA1'                            '321,57'
'TXXX:ÿþPMG3IA_NNUOD+'                              '00,30+30N,'
'TXXX:ÿþuMisBcarni zlAub myTeps'                    'uodnrtca'

========================== row from database ==========================
                                              'id'  1506785
                                            'path'  /data/Music/Bulk/0soundtrack/GNR/The Ink Spots - I Don_t Want to Set the World on Fire.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  184
                                           'genre'  prerock-unsorted
                                        'filesize'  4424373
                                           'mtime'  1620388074
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack GNR Don_t prerock unsorted
                                      'tag_artist'  The Ink Spots
                                     'tag_release'  Fallout 3: The Unofficial Soundtrack
                                       'tag_title'  I Don't Want to Set the World on Fire
                                             'bpm'  137.106
                                    'search_title'  'don':2 'dont':4 'fire':11 'i':1 'on':10 'set':7 't':3 'the':8 'to':6 'want':5 'world':9
                                   'search_artist'  'ink':2 'spots':3 'the':1
                                  'search_release'  '3':2,3 'fallout':1 'soundtrack':6 'the':4 'unofficial':5
                                     'search_rest'  '0soundtrack':1 'don':3 'gnr':2 'prerock':5 't':4 'unsorted':6
                                    'search_combo'  '0soundtrack':21 '3':16C,17C 'don':2A,23 'dont':4A 'fallout':15C 'fire':11A 'gnr':22 'i':1A 'ink':13B 'on':10A 'prerock':25 'set':7A 'soundtrack':20C 'spots':14B 't':3A,24 'the':8A,12B,18C 'to':6A 'unofficial':19C 'unsorted':26 'want':5A 'world':9A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['vocal jazz', 'jazz', '40s', 'oldies', 'swing']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620388074.3981824  (2021-05-07 13:47:54)
                             'size'  4424373