======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '270'
                                          'artist'  'Emerson, Lake & Palmer'
                                     'text_people'  ''
                                         'release'  'Pop Classics: The Long Version'
                                           'title'  'Peter Gunn'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  ("['progressive', '70s', 'rock', 'symphonic rock', 'progressive rock', "
 "'classic rock']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1971'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '130.063'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'British'
'TALB' (Album/Movie/Show title)                     'Pop Classics: The Long Version'
'TBPM' (BPM (beats per minute))                     '130.063'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1971'
'TIT2' (Title/songname/content description)         'Peter Gunn'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Emerson, Lake & Palmer'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['progressive',
 '70s',
 'rock',
 'symphonic rock',
 'progressive rock',
 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.66 dB'
'TXXX:replaygain_track_peak'                        '0.614035'

========================== row from database ==========================
                                              'id'  1348582
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Emerson, Lake & Palmer__MBZ;#Emerson, Lake & Palmer;#Pop Classics The Long Versions (disc 2);#01;#Peter Gunn.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  270
                                           'genre'  rock-unsorted
                                        'filesize'  4336577
                                           'mtime'  1620392316
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Palmer__MBZ;#Emerson, Palmer;#Pop Versions (disc 2);#01;#Peter rock unsorted
                                      'tag_artist'  Emerson, Lake & Palmer
                                     'tag_release'  Pop Classics: The Long Version
                                       'tag_title'  Peter Gunn
                                             'bpm'  130.063
                                    'search_title'  'gunn':2 'peter':1
                                   'search_artist'  'emerson':1,2 'lake':3 'palmer':4
                                  'search_release'  'classics':2,3 'long':5 'pop':1 'the':4 'version':6
                                     'search_rest'  '00poprockelectronic':1 '01':21,24 '2':20,23 'disc':18,19 'emerson':9,12 'files':5,6 'loose':3,4 'mbz':8,11 'palmer':7,10,13,15 'peter':22,25 'pop':14,16 'rock':26 'unsorted':2 'versions':17
                                    'search_combo'  '00poprockelectronic':13 '01':33,36 '2':32,35 'classics':8C,9C 'disc':30,31 'emerson':3B,4B,21,24 'files':17,18 'gunn':2A 'lake':5B 'long':11C 'loose':15,16 'mbz':20,23 'palmer':6B,19,22,25,27 'peter':1A,34,37 'pop':7C,26,28 'rock':38 'the':10C 'unsorted':14 'version':12C 'versions':29
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive', '70s', 'rock', 'symphonic rock', 'progressive rock', 'classic rock']
                                        'tag_date'  1971
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392315.7260704  (2021-05-07 14:58:35)
                             'size'  4336577