======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '432'
                                          'artist'  'Harry Romero'
                                     'text_people'  ''
                                         'release'  'Uplifting Progressive Trance'
                                           'title'  'Tania (Filterheadz Remix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'q-syn-4', 'q-bass-2', 'q-busy-2', 'q-grit-2', "
 "'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['house', 'electronic', 'dance', 'usa', 'united states of america']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '126.0'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:http://www.cdtag.com:\x01\x01@@\xad\x00'      PRIV(owner='http://www.cdtag.com', data=b'\x01\x01@@\xad\x00')
'TALB' (Album/Movie/Show title)                     'Uplifting Progressive Trance'
'TBPM' (BPM (beats per minute))                     '126.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2014-00-00'
'TIT2' (Title/songname/content description)         'Tania (Filterheadz Remix)'
'TKEY' (Initial key)                                '8A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Harry Romero'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME'
'TXXX:Catalog #'                                    'TOOL31502Z'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Release type'                                 'Normal release'
'TXXX:Rip date'                                     '2014-08-24'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:Source'                                       'WEB'
'TXXX:lastfmtags'                                   ['house', 'electronic', 'dance', 'usa', 'united states of america']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.77 dB'
'TXXX:replaygain_track_peak'                        '0.410986'

========================== row from database ==========================
                                              'id'  729360
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/tribal electro ~ classic progressive house ~ uplifting progressive trance/21. Harry Romero - Tania (Filterheadz Remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  432
                                           'genre'  electronic-th-techno
                                        'filesize'  17335596
                                           'mtime'  1620580656
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm tribal electro ~ classic progressive house ~ uplifting progressive trance 21. electronic th techno
                                      'tag_artist'  Harry Romero
                                     'tag_release'  Uplifting Progressive Trance
                                       'tag_title'  Tania (Filterheadz Remix)
                                             'bpm'  126.0
                                    'search_title'  'filterheadz':2,3 'remix':4,5 'tania':1
                                   'search_artist'  'harry':1 'romero':2
                                  'search_release'  'progressive':2 'trance':3 'uplifting':1
                                     'search_rest'  '21':8,9 'classic':3 'electro':2 'electronic':10 'house':5 'progressive':4 'techno':12 'th':11 'trance':7 'tribal':1 'uplifting':6
                                    'search_combo'  '21':18,19 'classic':13 'electro':12 'electronic':20 'filterheadz':2A,3A 'harry':6B 'house':15 'progressive':9C,14 'remix':4A,5A 'romero':7B 'tania':1A 'techno':22 'th':21 'trance':10C,17 'tribal':11 'uplifting':8C,16
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['house', 'electronic', 'dance', 'usa', 'united states of america']
                                        'tag_date'  2014
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620580655.9849381  (2021-05-09 19:17:35)
                             'size'  17335596