======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '71'
                                          'artist'  'Frank Zappa'
                                     'text_people'  ''
                                         'release'  'Make a Jazz Noise Here (Disc 1)'
                                           'title'  'Theme From Lumpy Gravy'
                                           '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-4', 'q-other-3', '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'  '8'
                                      'tracktotal'  ''
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'rock-cppex-experimental or noise'
                                             'bpm'  '104.122'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Make a Jazz Noise Here (Disc 1)'
'TBPM' (BPM (beats per minute))                     '104.122'
'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)         'Theme From Lumpy Gravy'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Frank Zappa'
'TRCK' (Track number/Position in set)               '8'
'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'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+8.07 dB'
'TXXX:replaygain_track_peak'                        '0.237724'

========================== row from database ==========================
                                              'id'  1341362
                                            'path'  /data/Music/Bulk/00poprockelectronic/Frank Zappa/Make A Jazz Noise Here/Disc 1/08 - Theme From Lumpy Gravy.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  71
                                           'genre'  rock-cppex-experimental or noise
                                        'filesize'  1720192
                                           'mtime'  1636757601
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic A 08 rock cppex experimental or noise
                                      'tag_artist'  Frank Zappa
                                     'tag_release'  Make a Jazz Noise Here (Disc 1)
                                       'tag_title'  Theme From Lumpy Gravy
                                             'bpm'  104.122
                                    'search_title'  'from':2 'gravy':4 'lumpy':3 'theme':1
                                   'search_artist'  'frank':1 'zappa':2
                                  'search_release'  '1':8,9 'a':2 'disc':6,7 'here':5 'jazz':3 'make':1 'noise':4
                                     'search_rest'  '00poprockelectronic':1 'a':2 'cppex':4 'experimental':5 'noise':7 'or':6 'rock':3
                                    'search_combo'  '00poprockelectronic':16 '1':14C,15C 'a':8C,17 'cppex':19 'disc':12C,13C 'experimental':20 'frank':5B 'from':2A 'gravy':4A 'here':11C 'jazz':9C 'lumpy':3A 'make':7C 'noise':10C,22 'or':21 'rock':18 'theme':1A 'zappa':6B
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  10A
                                           '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-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']
                                        'tag_date'  1991
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636757600.6026227  (2021-11-12 23:53:20)
                             'size'  1720192