======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '494'
                                          'artist'  'King Crimson'
                                     'text_people'  ''
                                         'release'  'Radical Action CD2'
                                           'title'  'Pictures Of A City'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'progressive rock', 'progressive', 'experimental', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '125.9'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'ExactAudioCopy v1.1'
'TALB' (Album/Movie/Show title)                     'Radical Action CD2'
'TBPM' (BPM (beats per minute))                     '125.9'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Pictures Of A City'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'King Crimson'
'TPE2' (Band/orchestra/accompaniment)               'King Crimson'
'TRCK' (Track number/Position in set)               '02'
'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'                                   ['rock', 'progressive rock', 'progressive', 'experimental', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.16 dB'
'TXXX:replaygain_track_peak'                        '0.503935'

========================== row from database ==========================
                                              'id'  1412788
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/King Crimson - CD2/02. Pictures Of A City.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  494
                                           'genre'  rock-cppex-classic
                                        'filesize'  19877760
                                           'mtime'  1636038765
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 02. rock cppex classic
                                      'tag_artist'  King Crimson
                                     'tag_release'  Radical Action CD2
                                       'tag_title'  Pictures Of A City
                                             'bpm'  125.9
                                    'search_title'  'a':3 'city':4 'of':2 'pictures':1
                                   'search_artist'  'crimson':2 'king':1
                                  'search_release'  'action':2 'cd2':3 'radical':1
                                     'search_rest'  '02':2,3 'classic':6 'classicprogpsy':1 'cppex':5 'rock':4
                                    'search_combo'  '02':11,12 'a':3A 'action':8C 'cd2':9C 'city':4A 'classic':15 'classicprogpsy':10 'cppex':14 'crimson':6B 'king':5B 'of':2A 'pictures':1A 'radical':7C 'rock':13
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'progressive rock', 'progressive', 'experimental', 'classic rock']
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636038765.2576754  (2021-11-04 16:12:45)
                             'size'  19877760