======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '266'
                                          'artist'  'Penguin Cafe Orchestra'
                                     'text_people'  ''
                                         'release'  'Concert Program (disc 1)'
                                           'title'  'Organum'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'Q-PIANO-3', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'contemporary classical', 'new age', 'classical', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-salon or easy'
                                             'bpm'  '88.748'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Concert Program (disc 1)'
'TBPM' (BPM (beats per minute))                     '88.748'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-soft-salon or easy'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Organum'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Penguin Cafe Orchestra'
'TRCK' (Track number/Position in set)               '3'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MusicMagic Data'                              'AgEAETCSnY2wragcgf7iVDmm3MeG+YB1Hsad1BM5gAHRAKSTgvMgsKw1gAG0k4ABgj6AAcY6Vb/ppoABgAGuGR5A5ryAAaoDgAKAAZhKwOGfLoFw3swm67sXhtiAHxCgmYEf8oBvyHSfF4C+/zasc4WTv0SARoZPgAG2vDHM2dKhDYABsv4Jr+TTlE2hKIACgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'contemporary classical', 'new age', 'classical', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.15 dB'
'TXXX:replaygain_track_peak'                        '0.666427'

========================== row from database ==========================
                                              'id'  673637
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Penguin Cafe Orchestra/03. Organum.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  266
                                           'genre'  prerock-jb-jazz-soft-salon or easy
                                        'filesize'  6413443
                                           'mtime'  1620533477
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 03. prerock jb jazz soft salon or easy
                                      'tag_artist'  Penguin Cafe Orchestra
                                     'tag_release'  Concert Program (disc 1)
                                       'tag_title'  Organum
                                             'bpm'  88.748
                                    'search_title'  'organum':1
                                   'search_artist'  'cafe':2 'orchestra':3 'penguin':1
                                  'search_release'  '1':5,6 'concert':1 'disc':3,4 'program':2
                                     'search_rest'  '03':5,6 'country':4 'easy':12 'exotica':2 'jazz':1 'jb':8 'oldies':3 'or':11 'prerock':7 'salon':10 'soft':9
                                    'search_combo'  '03':15,16 '1':9C,10C 'cafe':3B 'concert':5C 'country':14 'disc':7C,8C 'easy':22 'exotica':12 'jazz':11 'jb':18 'oldies':13 'or':21 'orchestra':4B 'organum':1A 'penguin':2B 'prerock':17 'program':6C 'salon':20 'soft':19
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'contemporary classical', 'new age', 'classical', 'ambient']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620533476.8177035  (2021-05-09 06:11:16)
                             'size'  6413443