======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '134'
                                          'artist'  'Original Dixieland Ramblers & Fatty George Band'
                                     'text_people'  ''
                                         'release'  'New Orleans Showtime Dixieland 2'
                                           'title'  'Old McDonald'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', '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-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-o-dixiestyle'
                                             'bpm'  '107.664'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'New Orleans Showtime Dixieland 2'
'TBPM' (BPM (beats per minute))                     '107.664'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-o-dixiestyle'
'TIT2' (Title/songname/content description)         'Old McDonald'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Original Dixieland Ramblers & Fatty George Band'
'TRCK' (Track number/Position in set)               '1'
'TXXX:FMPS_Rating'                                  '0.8'
'TXXX:MP3GAIN_MINMAX'                               '060,209'
'TXXX:MusicMagic Data'                              'AgEBQ4VyohafQrHjhE03FUw6gAGAk4AC/nGbyyrHhejkN4ABgvMQicb7g97iiYT6gOuAAcm6u3zpubQEgAGjqRUJ5TfCvKqlgAKAAaA0ncG3V4RN6/o+WYHcgOSAn/V1meEzK4Qc6U2DqoK9AyW5CKf01qSWT4G6gAHS27Bu+X+utIABpDoQn+4ptl6ybY3agAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'jazz'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.43 dB'
'TXXX:replaygain_track_peak'                        '0.825767'

========================== row from database ==========================
                                              'id'  671821
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Original Dixieland Ramblers & Fatty George Band/01-Old McDonald.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  134
                                           'genre'  prerock-jb-jazz-o-dixiestyle
                                        'filesize'  2158344
                                           'mtime'  1620533169
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 01 prerock jb jazz dixiestyle
                                      'tag_artist'  Original Dixieland Ramblers & Fatty George Band
                                     'tag_release'  New Orleans Showtime Dixieland 2
                                       'tag_title'  Old McDonald
                                             'bpm'  107.664
                                    'search_title'  'donald':4 'mc':3 'mcdonald':2 'old':1
                                   'search_artist'  'band':6 'dixieland':2 'fatty':4 'george':5 'original':1 'ramblers':3
                                  'search_release'  '2':5 'dixieland':4 'new':1 'orleans':2 'showtime':3
                                     'search_rest'  'country':4 'dixiestyle':7 'exotica':2 'jazz':1 'jb':6 'oldies':3 'prerock':5
                                    'search_combo'  '2':15C 'band':10B 'country':19 'dixieland':6B,14C 'dixiestyle':22 'donald':4A 'exotica':17 'fatty':8B 'george':9B 'jazz':16 'jb':21 'mc':3A 'mcdonald':2A 'new':11C 'old':1A 'oldies':18 'original':5B 'orleans':12C 'prerock':20 'ramblers':7B 'showtime':13C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['jazz']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620533168.5319018  (2021-05-09 06:06:08)
                             'size'  2158344