======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '204'
                                          'artist'  'Disturbed'
                                     'text_people'  ''
                                         'release'  'Indestructible'
                                           'title'  'Parasite'
                                           'quals'  ("['Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-4', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative', 'hard rock', 'metal', 'nu metal', 'rock']"
                                     'discogstags'  "['rock', 'hard rock', 'heavy metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '109.349'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Indestructible'
'TBPM' (BPM (beats per minute))                     '109.349'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Parasite'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Disturbed'
'TRCK' (Track number/Position in set)               '17'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'hard rock', 'heavy metal']
'TXXX:lastfmtags'                                   ['alternative', 'hard rock', 'metal', 'nu metal', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.11 dB'
'TXXX:replaygain_track_peak'                        '0.352891'

========================== row from database ==========================
                                              'id'  1257358
                                            'path'  /data/Music/Bulk/00dwimp/Disturbed/Indestructible/Disturbed - Parasite.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  204
                                           'genre'  rock-unsorted
                                        'filesize'  6559155
                                           'mtime'  1620381014
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp rock unsorted
                                      'tag_artist'  Disturbed
                                     'tag_release'  Indestructible
                                       'tag_title'  Parasite
                                             'bpm'  109.349
                                    'search_title'  'parasite':1
                                   'search_artist'  'disturbed':1
                                  'search_release'  'indestructible':1
                                     'search_rest'  '00dwimp':1 'rock':2 'unsorted':3
                                    'search_combo'  '00dwimp':4 'disturbed':2B 'indestructible':3C 'parasite':1A 'rock':5 'unsorted':6
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'hard rock', 'metal', 'nu metal', 'rock']
                                        'tag_date'  2008
                                     'discogstags'  ['rock', 'hard rock', 'heavy metal']

============================== file details ==============================
                                           'mtime'  1620381013.5125155  (2021-05-07 11:50:13)
                             'size'  6559155