======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '72'
                                          'artist'  'Penguin Cafe Orchestra'
                                     'text_people'  ''
                                         'release'  'Preludes Airs and Yodels'
                                           'title'  'Harmonic Necklace'
                                           '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-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'contemporary classical', 'new age', 'classical', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-salon or easy'
                                             'bpm'  '135.094'
                                             'key'  '10B'
                                        '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)                     'Preludes Airs and Yodels'
'TBPM' (BPM (beats per minute))                     '135.094'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-soft-salon or easy'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Harmonic Necklace'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Penguin Cafe Orchestra'
'TRCK' (Track number/Position in set)               '15'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MusicMagic Data'                              'AgEAB1C2hrCnwILagJqtc0g9b0CGqoACsO+PfgRLgAGQVoABgAG5JKwlgAHtTYABgMaAAY97gAGeGoABgAG8dcIR6TyAAYnEgAKAAZsDpvmgS4Ij07Y5CNPFhT6AI/p3mVkpC4LGyKSK+oBt/iqsxpcqzXiCZoMUgAG2De+R1DKw3oCnvn/9P+bZjhqj6oBAgAE='
'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: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'                                     '3'
'TXXX:replaygain_track_gain'                        '+3.40 dB'
'TXXX:replaygain_track_peak'                        '0.697744'

========================== row from database ==========================
                                              'id'  673025
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Penguin Cafe Orchestra/Penguin Cafe Orchestra-Preludes Aires and Yodels_15.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  72
                                           'genre'  prerock-jb-jazz-soft-salon or easy
                                        'filesize'  1750369
                                           'mtime'  1620533667
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Aires Yodels_15 prerock jb jazz soft salon or easy
                                      'tag_artist'  Penguin Cafe Orchestra
                                     'tag_release'  Preludes Airs and Yodels
                                       'tag_title'  Harmonic Necklace
                                             'bpm'  135.094
                                    'search_title'  'harmonic':1 'necklace':2
                                   'search_artist'  'cafe':2 'orchestra':3 'penguin':1
                                  'search_release'  'airs':2 'and':3 'preludes':1 'yodels':4
                                     'search_rest'  '15':7 'aires':5 'country':4 'easy':13 'exotica':2 'jazz':1 'jb':9 'oldies':3 'or':12 'prerock':8 'salon':11 'soft':10 'yodels':6
                                    'search_combo'  '15':16 'aires':14 'airs':7C 'and':8C 'cafe':4B 'country':13 'easy':22 'exotica':11 'harmonic':1A 'jazz':10 'jb':18 'necklace':2A 'oldies':12 'or':21 'orchestra':5B 'penguin':3B 'preludes':6C 'prerock':17 'salon':20 'soft':19 'yodels':9C,15
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620533666.936143  (2021-05-09 06:14:26)
                             'size'  1750369