======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '142'
                                          'artist'  'Penguin Cafe Orchestra'
                                     'text_people'  ''
                                         'release'  'Music From the Penguin Cafe'
                                           'title'  'Zopf: Milk'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', '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'  '5'
                                      'tracktotal'  ''
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-salon or easy'
                                             'bpm'  '135.637'
                                             '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)                     'Music From the Penguin Cafe'
'TBPM' (BPM (beats per minute))                     '135.637'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-soft-salon or easy'
'TDRC' (Recording time)                             '1976'
'TIT2' (Title/songname/content description)         'Zopf: Milk'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Penguin Cafe Orchestra'
'TRCK' (Track number/Position in set)               '5'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MP3GAIN_MINMAX'                               '117,209'
'TXXX:MusicMagic Data'                              'AgEADgqPhtSoHLM8hLWn30tugAGEZ4B11tuSFEEdgbaxVoABgvPUcazsk/3szoCUgTaAAag8n4L2xM4ogAG82vm3Drm0P6GJgAKAAaLlt0G3P4TtyX9BW5rgh8GADfrPmYYvB4EYwm6UnoDP856uAYY6uOyCEoTagAG2QPYi44WogIABvpAAkvi+mhWlb4ACgAE='
'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'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.04 dB'
'TXXX:replaygain_track_peak'                        '0.709540'

========================== row from database ==========================
                                              'id'  675092
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Penguin Cafe Orchestra/Music From The Penguin Cafe - 05 - The Penguin Cafe Orchestra - Zopf_ Milk.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  142
                                           'genre'  prerock-jb-jazz-soft-salon or easy
                                        'filesize'  5701892
                                           'mtime'  1620533583
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The 05 The Zopf_ prerock jb jazz soft salon or easy
                                      'tag_artist'  Penguin Cafe Orchestra
                                     'tag_release'  Music From the Penguin Cafe
                                       'tag_title'  Zopf: Milk
                                             'bpm'  135.637
                                    'search_title'  'milk':3 'zopf':1,2
                                   'search_artist'  'cafe':2 'orchestra':3 'penguin':1
                                  'search_release'  'cafe':5 'from':2 'music':1 'penguin':4 'the':3
                                     'search_rest'  'country':4 'easy':12 'exotica':2 'jazz':1 'jb':8 'oldies':3 'or':11 'prerock':7 'salon':10 'soft':9 'the':5 'zopf':6
                                    'search_combo'  'cafe':5B,11C 'country':15 'easy':23 'exotica':13 'from':8C 'jazz':12 'jb':19 'milk':3A 'music':7C 'oldies':14 'or':22 'orchestra':6B 'penguin':4B,10C 'prerock':18 'salon':21 'soft':20 'the':9C,16 'zopf':1A,2A,17
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  7B
                                           '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-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'contemporary classical', 'new age', 'classical', 'ambient']
                                        'tag_date'  1976
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620533583.2030249  (2021-05-09 06:13:03)
                             'size'  5701892