======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '423'
                                          'artist'  'Platunoff'
                                     'text_people'  ''
                                         'release'  'Clean'
                                           'title'  'Unbreakable Soul (Stan Kolev Remix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'q-syn-4', 'q-bass-4', 'q-busy-2', 'q-grit-2', "
 "'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  ("['progressive breaks', 'russian', 'progressive house', 'breaks', "
 "'progressive trance']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '123'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'NEW'
'TALB' (Album/Movie/Show title)                     'Clean'
'TBPM' (BPM (beats per minute))                     '123'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDOR' (Original release time)                      '2019-05-27'
'TDRC' (Recording time)                             '2015'
'TDRL' (Release time)                               '2019-05-27'
'TIT2' (Title/songname/content description)         'Unbreakable Soul (Stan Kolev Remix)'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Platunoff'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPE4' (Interpreted, remixed, or otherwise modified by)  'Stan Kolev Remix'
'TPUB' (Publisher)                                  'Bonzai Progressive'
'TSRC' (ISRC (international standard recording code))  'BEZ451900250'
'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'                                   ['progressive breaks',
 'russian',
 'progressive house',
 'breaks',
 'progressive trance']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.49 dB'
'TXXX:replaygain_track_peak'                        '0.536676'
'UFID:http://www.beatport.com'                      UFID(owner='http://www.beatport.com', data=b'www.electronicfresh.com')

========================== row from database ==========================
                                              'id'  1324023
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Music - Clean/Platunoff - Unbreakable Soul (Stan Kolev Remix) [Bonzai Progressive].mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  423
                                           'genre'  electronic-th-techno
                                        'filesize'  17166828
                                           'mtime'  1620564145
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats Music [Bonzai Progressive] electronic th techno
                                      'tag_artist'  Platunoff
                                     'tag_release'  Clean
                                       'tag_title'  Unbreakable Soul (Stan Kolev Remix)
                                             'bpm'  123.0
                                    'search_title'  'kolev':5 'remix':6,7 'soul':2 'stan':3,4 'unbreakable':1
                                   'search_artist'  'platunoff':1
                                  'search_release'  'clean':1
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 'beats':5 'bonzai':7,8 'electronic':11 'harder':4 'house':3 'music':6 'progressive':9,10 'techno':13 'th':12
                                    'search_combo'  '00poprockelectronic':10 '00techno':11 'beats':14 'bonzai':16,17 'clean':9C 'electronic':20 'harder':13 'house':12 'kolev':5A 'music':15 'platunoff':8B 'progressive':18,19 'remix':6A,7A 'soul':2A 'stan':3A,4A 'techno':22 'th':21 'unbreakable':1A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  7B
                                           '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-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive breaks', 'russian', 'progressive house', 'breaks', 'progressive trance']
                                        'tag_date'  2015
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620564145.1912901  (2021-05-09 14:42:25)
                             'size'  17166828