======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '420'
                                          'artist'  'GMJ'
                                     'text_people'  ''
                                         'release'  'Uplifting Progressive Trance'
                                           'title'  'Recoil (Dousk Remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', '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-4', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['hip-hop', 'jazz-hop', 'house', 'electronic', 'progressive house']"
                                     'discogstags'  "['progressive house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-th-house-progressive'
                                             'bpm'  '122.1'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Uplifting Progressive Trance'
'TBPM' (BPM (beats per minute))                     '122.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-house-progressive'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Recoil (Dousk Remix)'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'GMJ'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['progressive house', 'electronic']
'TXXX:lastfmtags'                                   ['hip-hop', 'jazz-hop', 'house', 'electronic', 'progressive house']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.52 dB'
'TXXX:replaygain_track_peak'                        '0.633199'

========================== row from database ==========================
                                              'id'  729001
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/tribal electro ~ classic progressive house ~ uplifting progressive trance/GMJ - Recoil (Dousk Remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  420
                                           'genre'  electronic-th-house-progressive
                                        'filesize'  16822478
                                           'mtime'  1620580675
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm tribal electro ~ classic progressive house ~ uplifting progressive trance electronic th house progressive
                                      'tag_artist'  GMJ
                                     'tag_release'  Uplifting Progressive Trance
                                       'tag_title'  Recoil (Dousk Remix)
                                             'bpm'  122.1
                                    'search_title'  'dousk':2,3 'recoil':1 'remix':4,5
                                   'search_artist'  'gmj':1
                                  'search_release'  'progressive':2 'trance':3 'uplifting':1
                                     'search_rest'  'classic':3 'electro':2 'electronic':8 'house':5 'progressive':4 'th':9 'trance':7 'tribal':1 'uplifting':6
                                    'search_combo'  'classic':12 'dousk':2A,3A 'electro':11 'electronic':17 'gmj':6B 'house':14 'progressive':8C,13 'recoil':1A 'remix':4A,5A 'th':18 'trance':9C,16 'tribal':10 'uplifting':7C,15
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['hip-hop', 'jazz-hop', 'house', 'electronic', 'progressive house']
                                        'tag_date'  2005
                                     'discogstags'  ['progressive house', 'electronic']

============================== file details ==============================
                                           'mtime'  1620580675.1580842  (2021-05-09 19:17:55)
                             'size'  16822478