======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '155'
                                          'artist'  'The Mind Expanders'
                                     'text_people'  ''
                                         'release'  "What's Happening! (Dot DLP-25773 Stereo)"
                                           'title'  'A Night on Bald Mountain'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['beyondwithin', 'rock of 60s', '60s', 'psychedelic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '100.9'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "What's Happening! (Dot DLP-25773 Stereo)"
'TBPM' (BPM (beats per minute))                     '100.9'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '1967'
'TENC' (Encoded by)                                 'Basic Hip Digital Oddio'
'TIT2' (Title/songname/content description)         'A Night on Bald Mountain'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Mind Expanders'
'TPE2' (Band/orchestra/accompaniment)               'The Mind Expanders'
'TRCK' (Track number/Position in set)               '07'
'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'                                   ['beyondwithin', 'rock of 60s', '60s', 'psychedelic']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.56 dB'
'TXXX:replaygain_track_peak'                        '0.698359'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.basichipdigitaloddio.com/365/')

========================== row from database ==========================
                                              'id'  1525802
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/153 The Mind Expanders - What_s Happening!/07_A_Night_on_Bald_Mountain.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  155
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  6333462
                                           'mtime'  1620736039
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 153 What_s 07_A_Night_on_Bald_Mountain rock cppex psychedelic
                                      'tag_artist'  The Mind Expanders
                                     'tag_release'  What's Happening! (Dot DLP-25773 Stereo)
                                       'tag_title'  A Night on Bald Mountain
                                             'bpm'  100.9
                                    'search_title'  'a':1 'bald':4 'mountain':5 'night':2 'on':3
                                   'search_artist'  'expanders':3 'mind':2 'the':1
                                  'search_release'  '25773':8 'dlp':7 'dlp25773':9 'dot':5,6 'happening':4 's':2 'stereo':10,11 'what':1 'whats':3
                                     'search_rest'  '07':5 '153':2 'a':6 'bald':9 'classicprogpsy':1 'cppex':12 'mountain':10 'night':7 'on':8 'psychedelic':13 'rock':11 's':4 'what':3
                                    'search_combo'  '07':24 '153':21 '25773':16C 'a':1A,25 'bald':4A,28 'classicprogpsy':20 'cppex':31 'dlp':15C 'dlp25773':17C 'dot':13C,14C 'expanders':8B 'happening':12C 'mind':7B 'mountain':5A,29 'night':2A,26 'on':3A,27 'psychedelic':32 'rock':30 's':10C,23 'stereo':18C,19C 'the':6B 'what':9C,22 'whats':11C
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['beyondwithin', 'rock of 60s', '60s', 'psychedelic']
                                        'tag_date'  1967
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736039.217329  (2021-05-11 14:27:19)
                             'size'  6333462