======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '426'
                                          'artist'  'Art Blakey'
                                     'text_people'  ''
                                         'release'  'Roots & Herbs'
                                           'title'  'Ping Pong'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-2', "
 "'Q-HHRNBTT-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['fip', 'jazz', 'drums', 'swing', 'hard bop', 'bebop']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1961'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '120.185'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'COMM:iTunNORM:eng'                                 (' 0000045A 00000000 00001717 00000000 00009C57 00000000 00005FD8 00000000 '
 '0000EA77 00000000')
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'TALB' (Album/Movie/Show title)                     'Roots & Herbs'
'TBPM' (BPM (beats per minute))                     '120.185'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '1961'
'TIT2' (Title/songname/content description)         'Ping Pong'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Art Blakey & The Jazz Messengers'
'TPE2' (Band/orchestra/accompaniment)               'Art Blakey'
'TPUB' (Publisher)                                  'Blue Note'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['fip', 'jazz', 'drums', 'swing', 'hard bop', 'bebop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.17 dB'
'TXXX:replaygain_track_peak'                        '0.631331'

========================== row from database ==========================
                                              'id'  767617
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Art Blakey & The Jazz Messengers - PING PONG.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  426
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  10264272
                                           'mtime'  1620586865
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism The Jazz Messengers PING PONG hip hop or rnb or rap or turntablism
                                      'tag_artist'  Art Blakey
                                     'tag_release'  Roots & Herbs
                                       'tag_title'  Ping Pong
                                             'bpm'  120.185
                                    'search_title'  'ping':1 'pong':2
                                   'search_artist'  'art':1 'blakey':2
                                  'search_release'  'herbs':2 'roots':1
                                     'search_rest'  'hip':10 'hiphop':1 'hop':11 'jazz':6 'messengers':7 'or':12 'ping':8 'pong':9 'rap':2 'rnb':3 'the':5 'turntablism':4
                                    'search_combo'  'art':3B 'blakey':4B 'herbs':6C 'hip':16 'hiphop':7 'hop':17 'jazz':12 'messengers':13 'or':18 'ping':1A,14 'pong':2A,15 'rap':8 'rnb':9 'roots':5C 'the':11 'turntablism':10
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['fip', 'jazz', 'drums', 'swing', 'hard bop', 'bebop']
                                        'tag_date'  1961
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620586865.4141123  (2021-05-09 21:01:05)
                             'size'  10264272