======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '189'
                                          'artist'  'Take'
                                     'text_people'  ''
                                         'release'  'Only Mountain'
                                           'title'  'Quartz for Amber'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronic', 'korean', 'idm', 'downtempo', 'hip hop']"
                                     'discogstags'  "['electronic', 'hip hop', 'instrumental', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '13'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '103.855'
                                             'key'  '8A'
                                        'acoustid'  'd5d1e793-61a3-4699-9d4c-d9118abcdfcc'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000B4A 00000B2E 0000E570'
'COMM:iTunNORM:eng'                                 (' 00000B4A 00000B2E 0000E570 0000E90A 00006A87 00006A87 0000934B 00008D12 '
 '0001B143 00024349')
'COMM:iTunPGAP:eng'                                 '0/'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B28 00000000007F87C8 00000000 007397D7 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Only Mountain'
'TBPM' (BPM (beats per minute))                     '103.855'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDOR' (Original release time)                      '2010'
'TDRC' (Recording time)                             '2010-04-20'
'TENC' (Encoded by)                                 'iTunes 8.2'
'TIT2' (Title/songname/content description)         'Quartz for Amber'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Take'
'TPE2' (Band/orchestra/accompaniment)               'Take'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Alpha Pup Records'
'TRCK' (Track number/Position in set)               '6/13'
'TSO2'                                              'Take'
'TSOP' (Performer sort order)                       'Take'
'TXXX:Acoustid Id'                                  'd5d1e793-61a3-4699-9d4c-d9118abcdfcc'
'TXXX:CATALOGNUMBER'                                'APR-028'
'TXXX:MusicBrainz Album Artist Id'                  '43e09599-a1f2-4a48-9961-4b7a32c51e03'
'TXXX:MusicBrainz Album Id'                         'b305eab6-570a-47d9-9512-b69dff1b71e2'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '43e09599-a1f2-4a48-9961-4b7a32c51e03'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'hip hop', 'instrumental', 'experimental']
'TXXX:lastfmtags'                                   ['electronic', 'korean', 'idm', 'downtempo', 'hip hop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.76 dB'
'TXXX:replaygain_track_peak'                        '0.405468'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e900d9ad-2794-482d-b053-632547761266')

========================== row from database ==========================
                                              'id'  1241769
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/2010 - Take - Only Mountain (Alpha Pup) [320k]/06 - Quartz for Amber.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  189
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  7683118
                                           'mtime'  1620586590
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 2010 (Alpha Pup) [320k] 06 hip hop rnb rap turntablism
                                      'tag_artist'  Take
                                     'tag_release'  Only Mountain
                                       'tag_title'  Quartz for Amber
                                             'bpm'  103.855
                                    'search_title'  'amber':3 'for':2 'quartz':1
                                   'search_artist'  'take':1
                                  'search_release'  'mountain':2 'only':1
                                     'search_rest'  '2010':5 '320k':10,11 'alpha':6,7 'hip':12 'hiphop':1 'hop':13 'pup':8,9 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  '2010':11 '320k':16,17 'alpha':12,13 'amber':3A 'for':2A 'hip':18 'hiphop':7 'hop':19 'mountain':6C 'only':5C 'pup':14,15 'quartz':1A 'rap':8 'rnb':9 'take':4B 'turntablism':10
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', '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-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'korean', 'idm', 'downtempo', 'hip hop']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic', 'hip hop', 'instrumental', 'experimental']

============================== file details ==============================
                                           'mtime'  1620586589.51079  (2021-05-09 20:56:29)
                             'size'  7683118