======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '385'
                                          'artist'  'Gong'
                                     'text_people'  ''
                                         'release'  'Progsoup 27'
                                           'title'  'Heavy Tune'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['cream cheese', 'space rock', 'psychedelic rock', 'canterbury', "
 "'progressive rock', 'psychedelic']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  ''
                                            'date'  '1978'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '91.432'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Progsoup 27'
'TBPM' (BPM (beats per minute))                     '91.432'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1978'
'TIT2' (Title/songname/content description)         'Heavy Tune'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gong'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '20'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['cream cheese',
 'space rock',
 'psychedelic rock',
 'canterbury',
 'progressive rock',
 'psychedelic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.09 dB'
'TXXX:replaygain_track_peak'                        '0.794207'
'WCOM:http://www.amazon.com/Expresso-II-Gong/dp/B000000HTW%3FSubscriptionId%3D0RXJS26C80QSDEB56CR2%26tag%3Dsoftpointer-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB000000HTW'  WCOM(url='http://www.amazon.com/Expresso-II-Gong/dp/B000000HTW%3FSubscriptionId%3D0RXJS26C80QSDEB56CR2%26tag%3Dsoftpointer-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB000000HTW')

========================== row from database ==========================
                                              'id'  1412629
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 27/1523 pierre moerlens gong - Heavy Tune.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  385
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  15467316
                                           'mtime'  1620737017
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 1523 pierre moerlens gong rock cppex progressive;set pl progspace
                                      'tag_artist'  Gong
                                     'tag_release'  Progsoup 27
                                       'tag_title'  Heavy Tune
                                             'bpm'  91.432
                                    'search_title'  'heavy':1 'tune':2
                                   'search_artist'  'gong':1
                                  'search_release'  '27':2 'progsoup':1
                                     'search_rest'  '1523':3 'classicprogpsy':1 'cppex':8 'gong':6 'moerlens':5 'pierre':4 'pl':13 'progressive':9,11 'progsoup':2 'progspace':14 'rock':7 'set':10,12
                                    'search_combo'  '1523':8 '27':5C 'classicprogpsy':6 'cppex':13 'gong':3B,11 'heavy':1A 'moerlens':10 'pierre':9 'pl':18 'progressive':14,16 'progsoup':4C,7 'progspace':19 'rock':12 'set':15,17 'tune':2A
                                    'tag_tracknum'  20
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['cream cheese', 'space rock', 'psychedelic rock', 'canterbury', 'progressive rock', 'psychedelic']
                                        'tag_date'  1978
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737017.1904473  (2021-05-11 14:43:37)
                             'size'  15467316