======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '407'
                                          'artist'  'Space Manoeuvres'
                                     'text_people'  'Paul Van Dyk'
                                         'release'  'Uplifting Progressive Trance'
                                           'title'  'Quadrant 4 (Dousk Terran Mix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['progressive house', 'trance', 'electronic', 'progressive trance', 'house']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-th-trance'
                                             'bpm'  '131.4'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:WM/WMCollectionID:\x7foþ7SÜÆL¶/\x16ÚB¹Hr'     PRIV(owner='WM/WMCollectionID', data=b'\x7fo\xfe7S\xdc\xc6L\xb6/\x16\xdaB\xb9Hr')
'PRIV:WM/WMContentID:\x07\x8eû3²\x92\x1fK\x8aå¸Ù¿üÐ\x96'  PRIV(owner='WM/WMContentID', data=b'\x07\x8e\xfb3\xb2\x92\x1fK\x8a\xe5\xb8\xd9\xbf\xfc\xd0\x96')
'TALB' (Album/Movie/Show title)                     'Uplifting Progressive Trance'
'TBPM' (BPM (beats per minute))                     '131.4'
'TCOM' (Composer)                                   'Paul Van Dyk'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-trance'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Quadrant 4 (Dousk Terran Mix)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Space Manoeuvres'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '2'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['progressive house', 'trance', 'electronic', 'progressive trance', 'house']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'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'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-4.42 dB'
'TXXX:replaygain_track_peak'                        '0.616658'

========================== row from database ==========================
                                              'id'  728665
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/tribal electro ~ classic progressive house ~ uplifting progressive trance/02. Space Manoeuvres - Quadrant 4 (Dousk Terran Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  407
                                           'genre'  electronic-th-trance
                                        'filesize'  16297189
                                           'mtime'  1621509019
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm tribal electro ~ classic progressive house ~ uplifting progressive trance 02. electronic th trance
                                      'tag_artist'  Space Manoeuvres
                                     'tag_release'  Uplifting Progressive Trance
                                       'tag_title'  Quadrant 4 (Dousk Terran Mix)
                                             'bpm'  131.4
                                    'search_title'  '4':2 'dousk':3,4 'mix':6,7 'quadrant':1 'terran':5
                                   'search_artist'  'manoeuvres':2 'space':1
                                  'search_release'  'progressive':2 'trance':3 'uplifting':1
                                     'search_rest'  '02':8,9 'classic':3 'electro':2 'electronic':10 'house':5 'progressive':4 'th':11 'trance':7 'tribal':1 'uplifting':6
                                    'search_combo'  '02':20,21 '4':2A 'classic':15 'dousk':3A,4A 'electro':14 'electronic':22 'house':17 'manoeuvres':9B 'mix':6A,7A 'progressive':11C,16 'quadrant':1A 'space':8B 'terran':5A 'th':23 'trance':12C,19 'tribal':13 'uplifting':10C,18
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1A
                                           '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-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive house', 'trance', 'electronic', 'progressive trance', 'house']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621509018.5905478  (2021-05-20 13:10:18)
                             'size'  16297189