======================== unified (from filesystem) ========================
                                         'bitrate'  '252.32'
                                        'duration'  '209'
                                          'artist'  'Trans Am'
                                     'text_people'  ''
                                         'release'  'Progsoup 35'
                                           'title'  'Climbing Up the Ladder, Pt. 3-4'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'electronic', 'indie', 'post rock', 'experimental']"
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '40'
                                      'tracktotal'  '11'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '114.934'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:http://www.cdtag.com:\x02\x00ü\x1fd\x00'      PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xfc\x1fd\x00')
'TALB' (Album/Movie/Show title)                     'Progsoup 35'
'TBPM' (BPM (beats per minute))                     '114.934'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TIT2' (Title/songname/content description)         'Climbing Up the Ladder, Pt. 3-4'
'TKEY' (Initial key)                                '8A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Trans Am'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Thrill Jockey'
'TRCK' (Track number/Position in set)               '40/11'
'TXXX:DATE'                                         '2007'
'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:discogstags'                                  ['techno', 'electronic']
'TXXX:lastfmtags'                                   ['instrumental', 'electronic', 'indie', 'post rock', 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+14.39 dB'
'TXXX:replaygain_track_peak'                        '0.134146'

========================== row from database ==========================
                                              'id'  1415667
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 35/2059 trans am - climbing up the ladder.mp3
                                         'working'  None
                                         'bitrate'  252
                                    'duration_sec'  209
                                           'genre'  rock-cppex-progressive
                                        'filesize'  6663569
                                           'mtime'  1620737246
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2059 trans am climbing ladder rock cppex progressive
                                      'tag_artist'  Trans Am
                                     'tag_release'  Progsoup 35
                                       'tag_title'  Climbing Up the Ladder, Pt. 3-4
                                             'bpm'  114.934
                                    'search_title'  '3':8 '34':10 '4':9 'climbing':1 'ladder':4,5 'pt':6,7 'the':3 'up':2
                                   'search_artist'  'am':2 'trans':1
                                  'search_release'  '35':2 'progsoup':1
                                     'search_rest'  '2059':3 'am':5 'classicprogpsy':1 'climbing':6 'cppex':9 'ladder':7 'progressive':10 'progsoup':2 'rock':8 'trans':4
                                    'search_combo'  '2059':17 '3':8A '34':10A '35':14C '4':9A 'am':12B,19 'classicprogpsy':15 'climbing':1A,20 'cppex':23 'ladder':4A,5A,21 'progressive':24 'progsoup':13C,16 'pt':6A,7A 'rock':22 'the':3A 'trans':11B,18 'up':2A
                                    'tag_tracknum'  40
                                      'num_images'  1
                                             'key'  8A
                                           '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-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'electronic', 'indie', 'post rock', 'experimental']
                                        'tag_date'  2007
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1620737245.732735  (2021-05-11 14:47:25)
                             'size'  6663569