======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '261'
                                          'artist'  'Penguin Cafe Orchestra'
                                     'text_people'  ''
                                         'release'  'Union Cafe'
                                           'title'  'Lie Back and Think of England'
                                           '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-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'contemporary classical', 'new age', 'classical', 'ambient']"
                                     'discogstags'  "['electronic', 'leftfield', 'modern classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-salon or easy'
                                             'bpm'  '145.685'
                                             'key'  '8B'
                                        '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)                     'Union Cafe'
'TBPM' (BPM (beats per minute))                     '145.685'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-soft-salon or easy'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Lie Back and Think of England'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Penguin Cafe Orchestra'
'TRCK' (Track number/Position in set)               '14'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MusicMagic Data'                              'AgEAC1Uvs3vIDKd+gfXcrD5dqn+C9YACKuSj1SOBgAHpl4ABgAEQjqt3gAGUoIV2gTyAAd2DTjfmvIABgAGzFCjk0QC6TrTUgAKAAaGiszidp4HD4UsrhbdxhoeACgBjm0EWXYBsw9qXx4AB+tOsvYXgvpaBGIbsgAGxtTHnyxqfT4ABtaICf9sHh1GekIACgAE='
'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-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'leftfield', 'modern classical']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.92 dB'
'TXXX:replaygain_track_peak'                        '0.517501'

========================== row from database ==========================
                                              'id'  670646
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Penguin Cafe Orchestra/14. Lie Back and Think of England.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  261
                                           'genre'  prerock-jb-jazz-soft-salon or easy
                                        'filesize'  6278998
                                           'mtime'  1620533542
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 14. prerock jb jazz soft salon or easy
                                      'tag_artist'  Penguin Cafe Orchestra
                                     'tag_release'  Union Cafe
                                       'tag_title'  Lie Back and Think of England
                                             'bpm'  145.685
                                    'search_title'  'and':3 'back':2 'england':6 'lie':1 'of':5 'think':4
                                   'search_artist'  'cafe':2 'orchestra':3 'penguin':1
                                  'search_release'  'cafe':2 'union':1
                                     'search_rest'  '14':5,6 'country':4 'easy':12 'exotica':2 'jazz':1 'jb':8 'oldies':3 'or':11 'prerock':7 'salon':10 'soft':9
                                    'search_combo'  '14':16,17 'and':3A 'back':2A 'cafe':8B,11C 'country':15 'easy':23 'england':6A 'exotica':13 'jazz':12 'jb':19 'lie':1A 'of':5A 'oldies':14 'or':22 'orchestra':9B 'penguin':7B 'prerock':18 'salon':21 'soft':20 'think':4A 'union':10C
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', '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-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'contemporary classical', 'new age', 'classical', 'ambient']
                                        'tag_date'  1993
                                     'discogstags'  ['electronic', 'leftfield', 'modern classical']

============================== file details ==============================
                                           'mtime'  1620533541.8255148  (2021-05-09 06:12:21)
                             'size'  6278998