======================== unified (from filesystem) ========================
                                         'bitrate'  '194.712'
                                        'duration'  '250'
                                          'artist'  'Calvin Harris'
                                     'text_people'  ''
                                         'release'  'I Created Disco'
                                           'title'  'Merrymaking At My Place'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'electronica', 'electro', 'electronic', 'disco']"
                                     'discogstags'  "['electronic', 'pop', 'house', 'electro', 'synth-pop', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-we-electro'
                                             'bpm'  '113.964'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '[uF]'
'COMM:ID3v1 Comment:XXX'                            '[uF]'
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
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'TALB' (Album/Movie/Show title)                     'I Created Disco'
'TBPM' (BPM (beats per minute))                     '113.964'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electro'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'LAME 3.90.3 Modified'
'TIT2' (Title/songname/content description)         'Merrymaking At My Place'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Calvin Harris'
'TPE2' (Band/orchestra/accompaniment)               'Calvin Harris'
'TPUB' (Publisher)                                  'Red Label'
'TRCK' (Track number/Position in set)               '1'
'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', 'pop', 'house', 'electro', 'synth-pop', 'disco']
'TXXX:lastfmtags'                                   ['dance', 'electronica', 'electro', 'electronic', 'disco']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.40 dB'
'TXXX:replaygain_track_peak'                        '0.394493'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='Www.Calvinharris.Tv')

========================== row from database ==========================
                                              'id'  1320857
                                            'path'  /data/Music/Bulk/00poprockelectronic/00electro-electropop-synthpop/Calvin Harris/I Created Disco/01 Merrymaking At My Place.mp3
                                         'working'  None
                                         'bitrate'  194
                                    'duration_sec'  250
                                           'genre'  electronic-we-electro
                                        'filesize'  6140704
                                           'mtime'  1621695938
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00electro electropop synthpop 01 electronic we electro
                                      'tag_artist'  Calvin Harris
                                     'tag_release'  I Created Disco
                                       'tag_title'  Merrymaking At My Place
                                             'bpm'  113.964
                                    'search_title'  'at':2 'merrymaking':1 'my':3 'place':4
                                   'search_artist'  'calvin':1 'harris':2
                                  'search_release'  'created':2 'disco':3 'i':1
                                     'search_rest'  '00electro':2 '00poprockelectronic':1 'electro':7 'electronic':5 'electropop':3 'synthpop':4 'we':6
                                    'search_combo'  '00electro':11 '00poprockelectronic':10 'at':2A 'calvin':5B 'created':8C 'disco':9C 'electro':16 'electronic':14 'electropop':12 'harris':6B 'i':7C 'merrymaking':1A 'my':3A 'place':4A 'synthpop':13 'we':15
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', '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-3', 'q-syn-3', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'electronica', 'electro', 'electronic', 'disco']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic', 'pop', 'house', 'electro', 'synth-pop', 'disco']

============================== file details ==============================
                                           'mtime'  1621695938.4457822  (2021-05-22 17:05:38)
                             'size'  6140704