======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '247'
                                          'artist'  'Pink Floyd'
                                     'text_people'  ''
                                         'release'  'Echoes The Best Of Pink Floyd Retail'
                                           'title'  'The Fletcher Memorial Home'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['psychedelic rock', 'rock', 'progressive rock', 'psychedelic', 'classic "
 "rock']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '119.900'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Echoes The Best Of Pink Floyd Retail'
'TBPM' (BPM (beats per minute))                     '119.900'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'The Fletcher Memorial Home'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pink Floyd'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['psychedelic rock', 'rock', 'progressive rock', 'psychedelic', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.72 dB'
'TXXX:replaygain_track_peak'                        '0.396250'

========================== row from database ==========================
                                              'id'  1416738
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Pink Floyd/MBZ;#Pink Floyd;#Echoes The Best Of Pink Floyd (Disc 2);#03;#The Fletcher Memorial Home.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  247
                                           'genre'  rock-cppex-progressive
                                        'filesize'  5938536
                                           'mtime'  1620737713
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy MBZ;#Pink Floyd;#Echoes (Disc 2);#03;#The rock cppex progressive
                                      'tag_artist'  Pink Floyd
                                     'tag_release'  Echoes The Best Of Pink Floyd Retail
                                       'tag_title'  The Fletcher Memorial Home
                                             'bpm'  119.9
                                    'search_title'  'fletcher':2 'home':4 'memorial':3 'the':1
                                   'search_artist'  'floyd':2 'pink':1
                                  'search_release'  'best':3 'echoes':1 'floyd':6 'of':4 'pink':5 'retail':7 'the':2
                                     'search_rest'  '03':13,16 '2':12,15 'classicprogpsy':1 'cppex':19 'disc':10,11 'echoes':7,9 'floyd':6,8 'mbz':2,4 'pink':3,5 'progressive':20 'rock':18 'the':14,17
                                    'search_combo'  '03':26,29 '2':25,28 'best':9C 'classicprogpsy':14 'cppex':32 'disc':23,24 'echoes':7C,20,22 'fletcher':2A 'floyd':6B,12C,19,21 'home':4A 'mbz':15,17 'memorial':3A 'of':10C 'pink':5B,11C,16,18 'progressive':33 'retail':13C 'rock':31 'the':1A,8C,27,30
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['psychedelic rock', 'rock', 'progressive rock', 'psychedelic', 'classic rock']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737713.3976376  (2021-05-11 14:55:13)
                             'size'  5938536