======================== unified (from filesystem) ========================
                                         'bitrate'  '271.166'
                                        'duration'  '358'
                                          'artist'  'Gonga'
                                     'text_people'  ''
                                         'release'  'Concrescence'
                                           'title'  'Tungsten Gold'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['stoner rock', 'stoner metal', '77davez all tracks', 'doom metal', 'stoner']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'rock-gr-stoner'
                                             'bpm'  '84.2'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Doktor420 aka StonerRock'
'TALB' (Album/Movie/Show title)                     'Concrescence'
'TBPM' (BPM (beats per minute))                     '84.2'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-stoner'
'TDRC' (Recording time)                             '2013'
'TIT2' (Title/songname/content description)         'Tungsten Gold'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gonga'
'TPE2' (Band/orchestra/accompaniment)               'Gonga'
'TRCK' (Track number/Position in set)               '5'
'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'
'TXXX:lastfmtags'                                   ['stoner rock', 'stoner metal', '77davez all tracks', 'doom metal', 'stoner']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'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'                        '-11.26 dB'
'TXXX:replaygain_track_peak'                        '1.106627'

========================== row from database ==========================
                                              'id'  1458230
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Concrescence/Gonga - Concrescence - 05 - Tungsten Gold.mp3
                                         'working'  None
                                         'bitrate'  271
                                    'duration_sec'  358
                                           'genre'  rock-gr-stoner
                                        'filesize'  12249141
                                           'mtime'  1636917474
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 05 rock gr stoner
                                      'tag_artist'  Gonga
                                     'tag_release'  Concrescence
                                       'tag_title'  Tungsten Gold
                                             'bpm'  84.2
                                    'search_title'  'gold':2 'tungsten':1
                                   'search_artist'  'gonga':1
                                  'search_release'  'concrescence':1
                                     'search_rest'  'classicprogpsy':1 'gr':3 'rock':2 'stoner':4
                                    'search_combo'  'classicprogpsy':5 'concrescence':4C 'gold':2A 'gonga':3B 'gr':7 'rock':6 'stoner':8 'tungsten':1A
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', '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-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['stoner rock', 'stoner metal', '77davez all tracks', 'doom metal', 'stoner']
                                        'tag_date'  2013
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636917473.501702  (2021-11-14 20:17:53)
                             'size'  12249141