======================== unified (from filesystem) ========================
                                         'bitrate'  '237.473'
                                        'duration'  '452'
                                          'artist'  'Comacozer'
                                     'text_people'  ''
                                         'release'  'Astra Planeta'
                                           'title'  'Saurian Dream'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['stoner rock', 'australian', 'doom', 'psychedelic rock', 'stoner']"
                                     'discogstags'  "['psychedelic rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '134.9'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Doktor420 aka StonerRock'
'TALB' (Album/Movie/Show title)                     'Astra Planeta'
'TBPM' (BPM (beats per minute))                     '134.9'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Saurian Dream'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Comacozer'
'TPE2' (Band/orchestra/accompaniment)               'Comacozer'
'TRCK' (Track number/Position in set)               '1'
'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:discogstags'                                  ['psychedelic rock', 'rock']
'TXXX:lastfmtags'                                   ['stoner rock', 'australian', 'doom', 'psychedelic rock', 'stoner']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-11.73 dB'
'TXXX:replaygain_track_peak'                        '1.098261'

========================== row from database ==========================
                                              'id'  1458237
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Comacozer - (2016) Astra Planeta @v1/Comacozer - Astra Planeta - 01 - Saurian Dream.mp3
                                         'working'  None
                                         'bitrate'  237
                                    'duration_sec'  452
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  13542808
                                           'mtime'  1620736153
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy (2016) @v1 01 rock cppex psychedelic
                                      'tag_artist'  Comacozer
                                     'tag_release'  Astra Planeta
                                       'tag_title'  Saurian Dream
                                             'bpm'  134.9
                                    'search_title'  'dream':2 'saurian':1
                                   'search_artist'  'comacozer':1
                                  'search_release'  'astra':1 'planeta':2
                                     'search_rest'  '2016':2,3 'classicprogpsy':1 'cppex':6 'psychedelic':7 'rock':5 'v1':4
                                    'search_combo'  '2016':7,8 'astra':4C 'classicprogpsy':6 'comacozer':3B 'cppex':11 'dream':2A 'planeta':5C 'psychedelic':12 'rock':10 'saurian':1A 'v1':9
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['stoner rock', 'australian', 'doom', 'psychedelic rock', 'stoner']
                                        'tag_date'  2016
                                     'discogstags'  ['psychedelic rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620736152.927857  (2021-05-11 14:29:12)
                             'size'  13542808