======================== unified (from filesystem) ========================
                                         'bitrate'  '246.111'
                                        'duration'  '328'
                                          'artist'  'Zoot Horn Rollo'
                                     'text_people'  ''
                                         'release'  'We Saw A Bozo Under The Sea'
                                           'title'  'Elvis Beans'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['guitarist', 'composer', 'jazz fusion', 'rock']"
                                     'discogstags'  "['experimental', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '14'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-cppex-experimental or noise'
                                             'bpm'  '84.844'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'We Saw A Bozo Under The Sea'
'TBPM' (BPM (beats per minute))                     '84.844'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-experimental or noise'
'TDRC' (Recording time)                             '2001'
'TENC' (Encoded by)                                 'LAME 3.97 (Max 0.7.1)'
'TIT2' (Title/songname/content description)         'Elvis Beans'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Zoot Horn Rollo'
'TRCK' (Track number/Position in set)               '14/14'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['experimental', 'rock']
'TXXX:lastfmtags'                                   ['guitarist', 'composer', 'jazz fusion', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'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'                        '-1.38 dB'
'TXXX:replaygain_track_peak'                        '0.434092'

========================== row from database ==========================
                                              'id'  1339279
                                            'path'  /data/Music/Bulk/00poprockelectronic/Zoot Horn Rollo - We Saw A Bozo Under The Sea/14 - Elvis Beans.mp3
                                         'working'  None
                                         'bitrate'  246
                                    'duration_sec'  328
                                           'genre'  rock-cppex-experimental or noise
                                        'filesize'  10114501
                                           'mtime'  1638544306
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 14 rock cppex experimental noise
                                      'tag_artist'  Zoot Horn Rollo
                                     'tag_release'  We Saw A Bozo Under The Sea
                                       'tag_title'  Elvis Beans
                                             'bpm'  84.844
                                    'search_title'  'beans':2 'elvis':1
                                   'search_artist'  'horn':2 'rollo':3 'zoot':1
                                  'search_release'  'a':3 'bozo':4 'saw':2 'sea':7 'the':6 'under':5 'we':1
                                     'search_rest'  '00poprockelectronic':1 'cppex':3 'experimental':4 'noise':5 'rock':2
                                    'search_combo'  '00poprockelectronic':13 'a':8C 'beans':2A 'bozo':9C 'cppex':15 'elvis':1A 'experimental':16 'horn':4B 'noise':17 'rock':14 'rollo':5B 'saw':7C 'sea':12C 'the':11C 'under':10C 'we':6C 'zoot':3B
                                    'tag_tracknum'  14
                                      '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-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['guitarist', 'composer', 'jazz fusion', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  ['experimental', 'rock']

============================== file details ==============================
                                           'mtime'  1638544305.8491137  (2021-12-03 16:11:45)
                             'size'  10114501