======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '128'
                                          'artist'  'Morella'
                                     'text_people'  ''
                                         'release'  'Morella [csr063]'
                                           'title'  'Love'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['test', 'post rock', 'post metal', 'ambient']"
                                     'discogstags'  "['rock', 'goth rock', 'avantgarde', 'heavy metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-post'
                                             'bpm'  '93.6'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Morella [csr063]'
'TBPM' (BPM (beats per minute))                     '93.6'
'TCON' (Content type, a.k.a. Genre)                 'rock-post'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Love'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Morella'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'goth rock', 'avantgarde', 'heavy metal']
'TXXX:lastfmtags'                                   ['test', 'post rock', 'post metal', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.64 dB'
'TXXX:replaygain_track_peak'                        '0.594094'

========================== row from database ==========================
                                              'id'  725119
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Comfort Stand/csr063/csr063_morella_1_love.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  128
                                           'genre'  rock-post
                                        'filesize'  3096734
                                           'mtime'  1637876255
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Comfort Stand csr063_morella_1_love rock post
                                      'tag_artist'  Morella
                                     'tag_release'  Morella [csr063]
                                       'tag_title'  Love
                                             'bpm'  93.6
                                    'search_title'  'love':1
                                   'search_artist'  'morella':1
                                  'search_release'  'csr063':2,3 'morella':1
                                     'search_rest'  '1':5 'comfort':1 'csr063':3 'love':6 'morella':4 'post':8 'rock':7 'stand':2
                                    'search_combo'  '1':10 'comfort':6 'csr063':4C,5C,8 'love':1A,11 'morella':2B,3C,9 'post':13 'rock':12 'stand':7
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['test', 'post rock', 'post metal', 'ambient']
                                        'tag_date'  2005
                                     'discogstags'  ['rock', 'goth rock', 'avantgarde', 'heavy metal']

============================== file details ==============================
                                           'mtime'  1637876255.2649574  (2021-11-25 22:37:35)
                             'size'  3096734