======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '423'
                                          'artist'  'Filterheadz'
                                     'text_people'  ''
                                         'release'  'Uplifting Progressive Trance'
                                           'title'  '8A - 128 - Quadrat (Original Mix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['trance', 'techno', 'electronic', 'tech house', 'house']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '128'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'POPM:\x01ÿþ0'                                      POPM(email='\x01ÿþ0', rating=0, count=0)
'TALB' (Album/Movie/Show title)                     'Uplifting Progressive Trance'
'TBPM' (BPM (beats per minute))                     '128'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         '8A - 128 - Quadrat (Original Mix)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Filterheadz'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'MB Elektronics'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['trance', 'techno', 'electronic', 'tech house', 'house']
'TXXX:q-bass'                                       '4'
'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'                        '-1.17 dB'
'TXXX:replaygain_track_peak'                        '0.401587'

========================== row from database ==========================
                                              'id'  729407
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/tribal electro ~ classic progressive house ~ uplifting progressive trance/8A - 128 - Filterheadz - Quadrat (Original Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  423
                                           'genre'  electronic-th-techno
                                        'filesize'  16961913
                                           'mtime'  1620580660
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm tribal electro ~ classic progressive house ~ uplifting progressive trance electronic th techno
                                      'tag_artist'  Filterheadz
                                     'tag_release'  Uplifting Progressive Trance
                                       'tag_title'  8A - 128 - Quadrat (Original Mix)
                                             'bpm'  128.0
                                    'search_title'  '128':2 '8a':1 'mix':6,7 'original':4,5 'quadrat':3
                                   'search_artist'  'filterheadz':1
                                  'search_release'  'progressive':2 'trance':3 'uplifting':1
                                     'search_rest'  'classic':3 'electro':2 'electronic':8 'house':5 'progressive':4 'techno':10 'th':9 'trance':7 'tribal':1 'uplifting':6
                                    'search_combo'  '128':2A '8a':1A 'classic':14 'electro':13 'electronic':19 'filterheadz':8B 'house':16 'mix':6A,7A 'original':4A,5A 'progressive':10C,15 'quadrat':3A 'techno':21 'th':20 'trance':11C,18 'tribal':12 'uplifting':9C,17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             '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-4', 'q-grit-2']
                                      'lastfmtags'  ['trance', 'techno', 'electronic', 'tech house', 'house']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620580660.1531863  (2021-05-09 19:17:40)
                             'size'  16961913